Medical Personal Statement Examples Personal Development Essay

Medical Personal Statement Examples Personal Development EssayFrom an early age I establish been spellbound by the plant of purport. The homophile body is a remarkcap sufficient machine with mevery diverse systems producing an organism that could never be artifici totallyy reproduced. My love of science is be side of meats one of my reasons for choosing medicine. I delight a challenge spark officularly to holds a recognize objective and although medicine is a tough c arer it potbelly be enormously gratifying, highlighted by the doctors I have spoken to during my bonk and on a personal level.To further my insight into the medical field I participated in a work shadowing workweek at a GP surgery. I gained a valuable understanding of the workings of the surgery, with opportunities to observe and speak to the doctors regarding a medical career. I arranged some opposite placement week myself at a local hospital, which was a superb opportunity to observe medicine from a nonh er point of view. I observed the ward rounds, an MRI scan, a skin biopsy and an endosocpy clinic all which I found interesting. I spent the intimately time with the hematology team up, responsible for forbearings with diseases such as Chronic Myelogenous Leukaemia (CML), haematology beingness one of my interests it was captivating that I could see the specialty from a more complex side than the AS biology course. For example I was able to understand how the level of platelets affects blood clotting. Through erupt the week I expanded my confidence and communication skills by means of speaking to patients and doctors. Although I enjoyed the week it was at times extremely heart-rending, I was able to get close to many of the terminally ill patients helping and com fondnessate for them where I could, getting them tea or conscionable talking and empathising with them to build their spirits. I volunteered at a local theater for the elderly which was very rewarding as I built my lovingness skills, helping residents by making them tea or playing cards with them. At school I took part in a paired filling scheme for 6 months where I was able to help young children to read, speaking and listening to them to help their English. All my experience has made me more firm to accomplish my ambition to be a doctor.My love of science and aspiration for a medical career is reflected in my A-Level choices where smashing time management, self motivated resume skills and ability to cope with stress and pressure are essential. Biology and chemistry have helped me further my interest and pay off my analytical skills, maths helps my problem solving skills helping me to work logically and ICT gives me a valuable insight into the rapidly developing technological world where computers are crucial. I trust all the qualities I have developed through my courses are essential for any good doctor. I have participated in the Duke of Edinburgh assign scheme which enabled me to ac hieve a first aid certificate including cardiopulmonary resuscitation training. I also raise my inter-personal, communication and team building abilities, valuable skills for any medical occupation, as I witnessed during my experience. For 2 years I have volunteered at a local vet hospital observing and helping out 2 hours per week communicating with the public in a different environment. I enjoy reading, mainly factual books to expand my general knowledge. To relax, I enjoy sports including football, and cricket for which I was captain of the school team and my local team for the past 3 years improving my leadership skills. I also recently rekindled my childhood passion for golf, another pastime I enjoy even if it is a little expensiveI am a self motivated, determined individual and I look forward to the social and academic challenges of university. I am aware of the demands of a medical career but my commitment and bank to become a doctor has only been strengthened through my e xperience and work in a voluntary capacity.No.2To be apt(p) the opportunity to read medicine, allow for not only fulfil my ambitions, but also allow me to be a credit to the medical institution. I am a consecrated learner and I have the ability to listen diligently to people. I believe there is a severe lack of black female doctors and I will endeavour to be part of the improvement of this situation and be an asset to my community.No.3From a young age I have been genuinely fascinated by the intriguing world of Science. This passion has fuelled my love for medicine, particularly as I have al vogues been amazed by the complex and conglomerate workings of the human body. The fact that medicine is an extremely challenging, demanding and rewarding profession leaves me with no doubt about wanting to become a doctor. My A-level studies have reinforced my decisiveness to pursue this career path and allowed me to develop essential skills for this degree. Chemistry has enhanced my analytic al and problem solving skills. My accuracy, attention to detail and natural ability to crystallise problems has been developed through perusal Physics and Maths. Reliable observational skills and experimental technique has been developed through during practical work in Chemistry, Physics and Biology. Exiting visits to the personify worlds exhibition and conferences organised by med-link confirmed my desire to pursue a medical degreeNo.4My motivation to study medicine comes from the desire to combine my interests in the ever-expanding fields of medical science with my need to understand life from other human perspectives. This drive was reinforced by my visit to Christie Hospital where I saw how advances in medical diagnostics and treatment directly impact upon the lives of pubic louse patients. By becoming a doctor I anticipate to be able to work at the crux of science and society by pursuing a deeper understanding of complex biological systems, whilst at the same time utili ze my knowledge to make a difference to the individual.After reflecting upon all my experiences so far I believe that as a doctor I will possess the tenacity, humanity and dedication to excel in both academic and personal challenges.No.5My A-level subjects have given me a sound scientific knowledge dish and have developed skills and qualities which are particularly relevant to my chosen degree. These include observational, investigative, analytical, reasoning and communication skills. My self-confidence, self-reliance, adaptability and willingness to assume responsibility have been enhanced not just through my studies but through extra-curricular activities and considerable work experience.My desire to pursue a career in medicine has only intensified as a result of my work experience and voluntary sector commitments. The determine to study medicine is my long cherished ambition. I believe I have the skills and qualities needed to succeed in the medical profession, and I welcome t he academic rigour and opportunity to participate fully in all aspects of university life.No.6INTELLECTUAL ABILITY I love to be challenged about my ideas and opinions. I have relished the intellectual challenge offered by Chemistry and learnt how to develop arguments and clarity of expression in History. In particular, I have enjoyed exploring the history of medicine, which has enhanced my understanding of the ancient profession I would so love to be a part ofCONCLUSION I symbolize to make medicine my lifes work. I think medicine is the most fundamental of professions without doctors society would surely collapse given that ones health is a prerequisite to doing roughly anything in life. I would be privileged to spend the rest of my working life practising medicine. I am acutely aware of the difficulties and challenges I am subscribe up for, but am confident that I will meet them with (enthusiasm) gusto and commitment.INTRODUCTION reasons for studying for medicine To be given th e opportunity to study medicine would be a dream come true/the fulfilment of a life-long dream. The science of medicine fascinates and inspires me reading StudentBMJ and NewScientist compel me into learning more. A rally attraction of medicine is the chance to make a difference to another persons life, and to be able/ (in a position) to offer informed support and understanding at a vulnerable time for a patient and their family. (For many) illness is very scary and access to a compassionate and committed/attentive/helpful/caring doctor can make a significant difference to a potentially traumatic experience. I am an open-minded, approachable person and I would train to making vulnerable patients sprightliness at ease I have the social skills conducive to being an effective doctor, not a scientistNo.7Disease can take everything from us potentially undermining our capacity to meet challenges, seek happiness or improve ourselves. Valuing all of these things within myself, one of the most frustrating things I have had to witness is people being unable to do the same. We cannot give people happiness, but effective healthcare can give people the chance to seek their own.Of course, healthcare has many facets but a longing to ask why?, and also to question the answer, has helped lead me toward medicine. Whilst at college, exploring the human body, more intricate than any man-made machine, has helped me feed this fascination. Case studies like cystic fibrosis made it especially relevant. In addition, books such as The Chemistry of Life and The Man Who Mistook His married woman For His Hat have helped me extend my passion past the scope of the curriculum, engaging with ideas independently.Furthermore, AS Perspectives on Science has developed my ability and desire to interact with the medical world. The course culminated in an extended report in which I chose to discuss the scientific and ethical implications of HIV testing questioning issues such as the extremity to which patient autonomy should be endorsed. This has been enormously satisfying, and my drive to learn about medical cause, effect and treatment has only increased. Along with my Philosophy course, this has helped to shape the way I think about the world and given me the tools, and opportunity, to engage with other people and their ideas.I have always had a need to help people. untold recently, highlighted by volunteering at St. Michaels Hospice, I have developed my devotion to caring. Assisting in providing palliative care has been a difficult but exceptionally rewarding experience. severally time I connected with a patient, I felt I had added something to his or her day, if only for a little while. To then find the following week that they had deteriorated was concentrated, but pushed me to persevere. Perhaps the most poignant lesson I have learned is that, however much we wish otherwise, there is a limit to what we can do for people there will be times when I am faced with hel plessness. Complementing this, partaking in a project evaluating sexual health services has given me the chance to help spur improvement. But more importantly, analysing healthcare from a patient perspective emphasised the fundamental need for integrity, effective communication and understanding. Hence, all of my volunteer work has helped me to develop, among others, my sensitivity and interpersonal skills.Additionally, teaching myself piano and exploring its complexities, I have had many opportunities to develop my dedication and independence. While in a juvenility folk band, I was chosen to participate in a music exchange. I enjoyed immersing myself in new cultures and, travelling around France and Germany, worked with musicians far more ripe than myself. Furthermore, my love of martial arts has also given me chances to push my limits. The more I practice both of these, the more I realise how much more there is to learn. Being elected as head boy in secondary school I also worke d to progress other skills including teamwork as strong as public speaking.I recognise medicine is a difficult route, but it is the challenge which makes it more rewarding. Not only does it enable me to take my passion beyond college to a setting where my knowledge must constantly evolve, but, perhaps more importantly, it allows me to put this into practice in a meaningful way. I hope that in doing so I can give others the same opportunities I have had myselfNo.8I have always been interested in all aspects of the human body. I am therefore very excited by the prospect of studying treat and using the knowledge I would acquire to help people. In 2006 I attended a Med-Six conference at Nottingham University and found the few days I was there utterly engaging. The lecture on Emergency treat emphasised the importance of an efficient team with a decisive leader, which I found particularly stimulating. We took part in a simulated accident and tinge team exercise and each played specif ic roles, for example nurse, radiographer and consultant. We had to assess individual patients and make rapid decisions about how the team should deal with them. It showed me how much Medicine relies on teamwork and communication.I was very fortunate to be able to organise a week shadowing an orthopaedic surgeon. I accompanied him on his ward rounds in the morning and was then able to watch him performing hip arthroscopies. I was also present during consultations with new patients on clinic days. I observed how he empathised with the patients when he briefed them before their operations and during patient consultations when he informed the patients of the possible outcomes of the surgery. I saw that in the operating theatre every member of the team was integral to the success of the operation and that the team needed a strong leader. I also gained an understanding of the immense concentration and skill involved in this type of surgery. At present I am working as an Administration a ccomplice at a hospital through dealing with patient records I have gained an appreciation of the importance of patient confidentiality. I will soon be applying for a post as a Nursing Assistant at a London hospital to gain more patient contact.The study of Medicine offers a great deal and I believe I have the enthusiasm, perseverance and commitment necessary to make a good doctor.No.9In order to explore my fascination with medicine I have undertaken varied and relevant work experience, in both a hospital and a care home. Whilst working at the Royal Blackburn Hospital, I had the opportunity to shadow ongoing medical students, where I learnt various procedures such as catheter and cannula insertion, in addition to playing an active role in practical demonstrations using SimMan. Shadowing secondary doctors on the Gastroenterology Ward allowed me to begin to understand the structure of a hospital. I was able to appreciate the high level of teamwork required between the consultant an d other healthcare professionals. This ensured the treatment given to patients was both efficient and effective. I was privileged to have the opportunity to interact on a one to one earth with patients, which enabled me to tailor my communication skills to suit the patient and their situation. My time in hospital concluded with a presentation, which I presented to the junior doctors and a consultant regarding my experience, which further enhanced my communication skills. I gained great admiration for the consultant, who was able to instill belief and reassurance within his patients, even in the most extreme circumstances. Equally, my time spent at Viewfield Care Home allowed me to converse with patients on a regular basis, whilst developing my nursing skills. Both these experiences gave me an extensive insight into the fundamental characteristics which a doctor must possess, namely being caring, competent and approachable at all times, all of which I believe are key qualities of my personality. Reflecting upon these experiences has reinforced my desire to pursue a career in medicine, for which I now have resolute determination.I believe I possess a suitable personality to undertake the demands of being a medical student and doctor, as I thrive in challenging situations, both mental and physical, while at all times be competent and demonstrating both empathy and integrity.No.10This incident sparked my initial interest in Medicine. To further explore the world of Medicine, I began to read popular medical articles in the newspapers and became a frequent visitor to the BBC Health page. I also read medical related articles in the New Scientist. In order to experience the practical aspects of the life of a doctor, I completed work experience under an Oncologist for two weeks and also at my local GP clinic for a month. Here I was most impressed by the doctors bedside manner. I witnessed the calm and reassuring tone of the doctor, who often used humour as well, to p ut the patients at ease so as to elicit information he needed to come to a sound diagnosis. I next undertook community service at a residential home for the elderly for a few months and over time I was amazed at the tact and patience of the staff who allowed the residents to keep hold of as much of their independence as possible.My interest in Science and Mathematics is reflected in my A-level choices. I believe that the scientific method is the most reliable way for man to augment his knowledge of the world around him. I love Mathematics, which has taught me to be logical in my thinking and precise in my actions. I am hard working and know I have the intellectual abilities to study Medicine. I realise a good doctor also needs to be able to communicate effectively I have an open and friendly personality, finding it easy to make relationships with my peers as well as my teachers. Additionally I have the qualities of care, compassion and commitment, which I believe make me an ideal ca ndidate to study Medicine and serve as a Doctor.No.11I am a lancinate table tennis player and play regularly at a local club as well as with my friends and family. I organise a table tennis club for the sixth form as well as an after school club where I offer coaching to beginners. This has not only been of huge enjoyment but has also helped me develop my organisational and leadership skills. I also captained the football andhockey teams at Hebron for two years.Essentially, I feel I have gained a realistic appreciation of the challenges, both emotional and physical, involved in pursuing a career in medicine, but believe that my experiences have given me the motivation and commitment to withstand such trials and enable me to succeed as a valuable member of the developing medical field.For me, a career in medicine is the perfect opportunity to stimulate my mind in a fascinating field in which I am passing motivated to succeed. I eagerly anticipate the opportunity to be able to combi ne my caring personality with the practical aspects of the subject, and so have a study impact on peoples lives. The prospect of life-long learning in a subject for which I have such an affinity excites me.I thoroughly enjoy studying A-level Biology and Chemistry and my intellectual curiosity ensures I stay well ahead of the syllabus. For example, I was recently intrigued by an article on developments in cancer treatment, discussing how antibodies can be engineered to bind to specific antigens on the surface of cancer cells, allowing attached drugs to be delivered directly to tumours, and was inspired to do further research.

Concurrency Control In Distributed Database Systems Information Technology Essay

Concurrency Control In Distributed Database Systems Information Technology EssayConcurrency control is a very primal issue in shell outd informationbase system design. This is because concurrency altogetherows many doings to be executing simultaneously such that collection of manipulated data event is left in a consistent state. Database concurrency control permits users to price of admission a database in a multiprogrammed fashion while preserving the illusion that user is executing alone on a apply system. alike, it produces the same effect and has the same output on the database as round serial slaying of the same transaction.Concurrency control in distributed system is achieved by a program which is called scheduler. Scheduler help to order the operations of transaction in such a way that the resulting logs is serializable. There decl atomic number 18 twain type of the concurrency control that argon fasten approach and non- silenceing approach. In term of locking app roach, two-phase lock is widely utilize and purpose for centralized or distributed database system. Before distributed database systems accessing some part of database, it must adopt a locking mechanism such as each transaction has to obtain a lock. After that part is locked by former(a) transaction, the access request exit be block and the transaction who making reauest has to wait. Two-phase locking give cause the impasse problem. This locking induces high communication cost because of the blind alley problem.Whereas in term of non-locking approach which is divided into two type which be Timestamp ordering (TO) and Serialization Graph Testing (SGT). Timestamp ordering utilizes unique transaction timestamp for find out the serialization order. It divided into three different trends that are basic, conservative and optimistic modes. For Serialization Graph Testing, it has been more or less attractive log class until 1987 because it is known as the largest known class of s erializable logs. There are some limitations that stooge found in those two approaches. However, thither are some solution that can used to solve the problem and will be discuss more detail in the below.2. Type and the issue of concurrency control2.1 Two -phase lockingTwo -phase locking is a widely used concurrency control proficiency to synchronize accesses to shared specific. Each data item has a lock associated with it. The scheduler will early realise the associated lock before a transaction (T1) whitethorn access a data item. If there is no transaction holds the lock then the scheduler will obtains the lock on behalf of T1. When a nonher transaction T2 hold the lock, the T1 has to wait until T2 to gives up the lock. The scheduler will give the T1 the lock later on the T2 release the lock. Scheduler must ensure that there is whole one transaction can hold the lock at a time and tho one transaction can access data item at a time. They are two types of locks associate with data item that is memorialise locks and write locks. act 1 below show that the transaction T1 and T2 add up the two-phase locking protocol.Figure 1 Transaction T1 and T2 with 2-phase locking protocolHowever, there is an important and unfortunate property of two-phase locking schedulers is that they are subject to tie-ups. For instances, the classic stand situation in which neither of two processes can proceed that is one must release a resource and the other one needs to proceed. Besides that, tie-up also arises when the transaction try to strengthen read locks to write locks. To ensure that there is no transaction is blocked forever, the scheduler needs a dodge for detecting the deadlock.In addition, two-phase locking is suffer from sensible delays due to a node needs to send message to all nodes and must receive cite from all nodes to stop a deadlock. The messages will exchange between nodes to get decision of transactions commit. The whole system will stop since not disco ver the deadlock immediately and a natural of distributed system nonplus deadlock treatment very difficult. Moreover, the message that due to commit and deadlock treatment make high traffic on network which is makes need of special kind of networking.TimeFigure 2 A spatial schedules of T1 and T2 in state of deadlockT1 wait for T2 to release read lock on y2T3 wait for T1 to release read lock on x1T2 wait for T3 to release read lock on z3Figure 3 A wait-for graph for the spatial schedule of Figure 2There are two type of graph that show as preceding(prenominal) which is a spatial schedule of T1 and T2 in the state of deadlock. Another graph show that the wait for graph for the spatial schedule of the figure 2 above. Each node of the graph represent the transaction, the edges represent the waiting for relationship.Furthermore, concurrency control also deals with starvation. The starvation occurs when a particular transaction consistently waits or start uped and neer gets a chance to proceed further. In a deadlock blockage it is possible the same transaction may consistently be selected as victim and rolled-back. This type of limitation is inherent in all antecedence based scheduling mechanism. The wound-wait scheme a jr. transaction may always be aborted by a long travel rapidly older transaction which may create starvation.Besides that, the two phases in locking rule also may cause to dirty read and cascading abort. The problem of dirty read is arises when assume T1 and T2 are executed interleave. For this condition, the T1 will get the grievous bodily harm locks for record. Supposedly, T1 release locks immediately after doing updates while T2 acquires that locks and does its update. If the T1 fail before it commits due to certain of reason, then it will return value to original value. T2 will continue to its execution with uncommitted data and this will cause an error on the system result. On the other hand, the problem of cascading abort arises when i f a transaction aborts. There may surrender some other transaction already used data from an object that the aborted transaction modified it and unlocked it. If this happen, any such transaction will also have to be aborts.2.2 Timestamp ordering techniqueTimestamp is a monotonically increasing variable indicating the age of an operation or a transaction. The larger of the timestamp values indicate that more new-fashioned event or operation. Timestamp ordering technique concurrency mechanism were considered suitable for distributed database systems since transaction to be rolled back can be determined locally at each lay. It involves a unique transaction timestamps in place of conventional locks. This technique is based on the idea that an operation is allowed to proceed only if all the difference of opinioning operations of older transaction have already been processed. For instance, when a transaction accesses an item the system will check whether the transaction is older than the give way one which is accesses the item. If this is the case that transaction proceeds, otherwise ordering is violated and the transaction is aborted. Besides that, the serializability of the transaction is preserved and requires knowledge about which transaction are younger than the others.In the implementation of a distributed timing system, each site in the distributed system contains a local clock or a counter. This clock imitation to tick at least once between any two events. This event within the site is totally ordered. If the total ordering of event at different sites, it need to assigned a unique quash to each site and the number is concatenated as least significant bits to the current value of local block. Moreover, each message contains the information about the local time of their site of origin at which the message is sent. There are many concurrency control method on timestamp ordering technique. One of the method is basic timestamp ordering (BTO) which is for each data item x, the largest timestamp of any write operation on data item x and the largest timestamp of any read operation on data item x which are denoted by R_TS (x) and W_TS (x) respectively.The basic timestamp ordering technique is easy to distribute and the transaction to be aborted will immediately be recognized when the operation are being scheduled. This type of method will not deal with deadlock problem because the locks are not used and operations are blocked. Hence, an atomic commitment mechanism is necessary to provide the reliability.3. Improvement of issue concurrency control3. 1Deadlock solutionThe preceding implementation of two-phase locking makes the transaction to wait for unavailable locks. When the waiting is loose will cause a deadlock. The situation of deadlock can be characterized by wait-for graph, that graph indicates which transaction is waiting for which other transaction. There are three type of general technique are available for deadlock resolutio n that are deadlock detection, deadlock prevention and timeout strategies.3.1.1 Deadlock DetectionDeadlock detection is a transaction wait for each other in an uncontrolled manner and is only aborted if a deadlock occurs. It can be detected by explicitly constructing a wait-for graph and searching it for cycles. Victim which is one transaction on the cycle will abort when cycle is found and thereby breaking the deadlock. There are a few victim selection criteria will be consider. First is the Current Blocker, this current blocker will pick the transaction that blocked the most recently. Secondly, Random Blocker which is a process of picks a transaction at random from the participants in the deadlock cycle. Third is the Min Locks that is to pick a transaction that is holding the fewest locks. Fourth is the Youngest which is picked the transaction with the most recent initial startup time. Lastly is the Min Work and responsible to pick the transaction that has consumed the least amoun t of physical resources (CPU + I/O time) since it first began running.In order to minimize the cost of summarizeing the victim, usually the victim is based on the amount of resource that use by each of transaction on the cycle. Each of the two-phase lockings scheduler can be easily construct the waits-for graph based on the waits-for relationships local to that scheduler. But this is not efficient to characterize all deadlocks in the distributed system. To increase the efficiency, more global wait-for graphs have to combine with local waits-for graph. For the centralized two-phase locking will not have this type of problem since there only consist of one scheduler.In order to construct global waits-for graph, there consist of two techniques which are hierarchical and centralized deadlock detection. For the hierarchical deadlock detection, the database sites are organized into hierarchy with deadlock detector to each node of the hierarchy. Deadlock divided into many sites. Deadlock involve a single site are detected at that. Whereas deadlock involve more than two sites of the same region detected by the regional deadlock detector.On the other hand, one site is designated the deadlock detector in the centralized deadlock detection. Every few minutes, each scheduler has to send its local wait-for graph to the deadlock detector. so the deadlock detector combines the local graph into a system wide waits-for graph by constructing the union of the local graph. Although both of the technique mention above differ in detail but it involve periodic transmission of local waits-for information to one or more deadlock detector sites.3.1.2Deadlock legal professionDeadlock prevention is a cautious scheme in which transaction is re-started when the system is afraid that deadlock to be occurring. In the process of deadlock prevention, the scheduler will test the requesting transaction which is name (T1) and the transaction that currently owns by the lock (T2) when a lock re quest is denied. When T1 and T2 pass the test, T1 is permitted to wait for T2 as usual. Otherwise, one of the two is aborted. There are a few prevention algorithms that are Wound-Wait, Wait-Die, Immediate-Restart and Running Priority. In the Wait-Die prevention algorithm, if a lock request from transaction T1 leads to a conflict with another transaction T2, then T1 started time earlier than T2 and block the T1 otherwise will restarted T1. The deadlock prevention will know as nonpreemptive if T1 is restarted. By this technique deadlock are impossible since there is only one transaction can be blocked by a younger transaction.In the Wound-Wait algorithm, if T1 started running before T2 then restarted T2 otherwise blocked T1. This type of algorithm is known as preemptive which is older transaction run though the system by killing any one that they conflict with and continues waiting onlt for older conflicting transaction. The scheduler must ensure that T1 wait for T2 so that deadlock c annot occur. There is a bankrupt approach can be assign priorities to transaction and to test priorities to decide whether T1 can wait for T2. If T1 has the lower priority than T2 then T1 will wait for T2. When they have same priorities, T1 cannot wait for T2 or vice versa. This test will prevents the deadlock to occur since every edge in the waits-for graph T1 has a lower priority than T2. In addition, the Immediate-Restart algorithm also will overcome the deadlock by simply restart T1 since there is no transaction is ever blocked.Besides that, preordering of resources is a type of deadlock avoidance technique that used to avoid restarts altogether. It requires predeclaration of locks which mean that each transaction obtains all its locks before execution. The priority of transaction is the number of the highest number lock on it and the data item are numbered and each transaction request locks one at a time in numeric order. Although this techniques can avoid the deadlock occur b ut it forces locks to be obtained sequentially which is tends to increase response time.3.1.3 Timeout strategicIn the timeout strategic, a transaction whose lock request cannot be granted is simply placed in the blocked queue. When the wait time exceeds some threshold value then the transaction will restarted. Timeout will restart transaction that involves in deadlocks in the detection strategies whereas in prevention strategic it may also restarted some transaction that are not involved in any cycle.3.2 Strict 2 Phase Locking (S2 PL)In order to prevent cascading problem and dirty read, Strict 2 Phase Locking mechanism is apply. The executed transaction holds all its lock to the every end until it is committed or aborts. For the dirty read, the executed transaction does not release any of exclusive locks until it commits or aborts. S2PL has important role in the two phase locking problems. In first time transaction it need a lock on a data item, acquires it and all locks of a transa ction released together when the transaction terminates and has a few resource wasting. Figure 4 below show the S2PL mechanism.Figure 4 S2PL mechanism3.3 Ordering by Serialization Number (OSN) methodThere exists a new method for concurrency control in distributed system which increases the train of concurrent execution of transaction and known as ordering by serialization number (OSN). The deadlock is prevented by this method since it works in the certifier mode and uses time separation technique in conjunction. In order to provide serializability, it combines with time interval technique with short term locks. Scheduler is distributed and the standard transaction execution policy is assumed. The read and write operations are issued continuously during transaction execution. The write operations are performed on the private copies of the data that issue by the transaction. The transaction is certified and its operation will applied to database when a validation test is passed by t he transaction at the end of transaction. Otherwise, the transaction will restart if the test validation is not passed.To find the serialization number for a transaction, the largest serialization number of certified transaction will read item x. The largest serialization number of certified transaction which have written item x will record along the data item x which is known as RSN(x) and WSN(x). There consist of four types of short term locks in this OSN method that are R-lock, W-lock, prove Read lock, Certified Write lock. The R-lock and W-lock normally used when read or write the data item. It responsible to protect the data item forms two conflicting operations of concurrent transaction. Whereas Certified Read lock (CR-lock) and Certified Write lock (CW-lock) are used during the validation test while a transaction is searching for a valid time interval. These lock are held until either the transactions operation are applied to the database or the transaction is aborted.The de adlock of short term locks is prevented by a few steps. Firstly, R-lock or W-lock is obtained at any order. Since transaction do not require any other lock before releasing a particular R-lock or W-lock deadlock does not appear. Secondly, employing the preordering for deadlock avoidance can prevent the deadlock of the CR-lock and CW-lock respectively. Although this method requires the access set of transaction to known in advance but this disadvantage eliminated in the OSN method. This is because CR-lock and CW-lock requires by the time of certification. Besides that, if a transaction requires both CR-lock and CW-lock on data item x the system will grants them both when both of these locks are requires at once.4. ConclusionIn this study, the performance of concurrency control protocol on top of a comprehensively modeled high-speed network is evaluated. It found that there exist of some issue within the concurrency protocol such as deadlock and starvation in the two-phase locking. Th e weaknesses that occur in another concurrency protocol that is timestamp ordering.By the way, there are also discussing about the effective way to make improvement of the concurrency control by using three types of deadlock resolution to firmness of purpose the deadlock problem. The deadlock resolution included deadlock detection, deadlock prevention and timeout strategic. Furthermore, a precise definition of deadlock in term of existence interval of an edge is given and these help provide a better understanding of deadlock detection is distributed system. Besides, this paper also discuss the complete specification of a secure version of two phase locking protocol. The interaction between the protocol and the standard failure recovery procedures were discuss and modification to the commit and restart procedures were proposed.5. ReferenceAbdou R. Ali and Hany M. Harb, Two Phase Locking Concurrency Control in Distributed Database with N-Tier architecture, 2004.S. M. Wu and D. L. Pan , FUTURE TREND ON CONCURRENCY CONTROL IN DISTRIBUTED DATABASES SYSTEM DESIGN , 1988.Sang H. male child and Rasikan David, Design and Analysis of A Secure Two-Phase Locking Protocol, 1994Shapour Joudi Begdillo, Fariborz Mahmoudi and Mehdi Asadi, Improving Strict 2 Phase Locking (S2PL) in Transactions Concurrency Control, 2007PHILIP A. BERNSTEIN AND NATHAN GOODMAN, Concurrency Control in Distributed Database Systems, June 1981RAKESH AGRAWAL, MICHAEL J. CAREY, MEMBER, IEEE, AND LAWRENCE W. McVOY, The transaction of Alternative Strategies for Dealing with Deadlocks in Database Management Systems, 1987UGUR HALICI AND ASUMAN DOGAC,MEMBER,IEEE, Concurrency Control in Distributed Databases Through Time Intervals and Short-Term Locks,1989

Comparison of Economic Systems: Germany and the UAE

Comparison of Economic Systems Germany and the UAEIntroductionEconomy is the state of a country or region in terms of the production and consumption of goods and services, and the come forth of money(Oxford Dictionaries 2012).Before profound studying about the suggested countries one important aspect should be taken into consideration the similarity between these deuce countries is their critical fictitious character in their region, both of those countries has a significant influence on the political and economy climate in their respective regions.Germany is located in Central Europe, south of Denmark, between Poland and the Netherlands. It has a direct access to North and Baltic seas. The countrys total atomic number 18a is 357,022 sq.km and the population around 82 million people. Historically, Germany has evolved correspond of unifications and reunifications including the last one in 1990. Excellent infrastructure, location, skilled workforce and moderate wage rate make Ger many actually attractive for business. Notwithstanding, there are round environmental problems, such as air and water pollution, s oil colour erosion, diminishing biodiversity and shortage of resources.The get together Arab Emirates is located on the eastern part of Arabian Peninsula and shares borders with the landed estate of Saudi Arabia to the south, Oman to the east and sea sharing borders with Qatar. to a fault, country has a direct access to Persian Gulf and Indian Ocean. The UAEs total area is much smaller, solely 83,600 sq. km. The United Arab Emirates thrift and stability is substantiating by its considerable oil wealth that was discovered in 1960th, most of which is concentrated in Abu Dhabi the countrys capital (United Arab Emirates profile 2012). Although, the UAE exit remain be contingent on the oil reserves for many years to come, nevertheless, its level of dependency is gradually declining. The main role in development was taken by Dubai, which has become a reg ional financial, commercial powerhouse and o one the prime tourism centers of the Gulf Region. Moreover, a strong combination of oil prices, plentiful financial and fiscal resources, political stability, regulatory reforms and infrastructure development will backing the UAEs country risk profile.Germany represents a federal parliamentary, representative republic with a six main political parties, dominated by the Christian Democratic Union, the Christian tender Union of Bavaria and the Social Democratic parties. The head of the government who exercises executive power is a Chancellor Angela Merkel. Nevertheless, due to the fact that Germany is a member of European Union and G8, policies are subordinated with those organizations. As the biggest economy in Europe, Germany contributes 25% of Eurozones gross domestic product.The political structure of the United Arab Emirates is a federation of seven monarchical emeerates. His Highness Sheikh Khalifa bin Zayed Al Nahyan is an emir of Abu Dhabi and the President of the country. The federal system of government includes the President, the Prime Minister, the Supreme Council, Crown Princes and Deputy Rulers, the Federal National Council,the Council of Ministers (UAE Government 2012).Although, Germany has the second largest population in Europe, it faces an aging population. This implies round long term problems, such as increase in governmental welfare expenditures, healthcare expenses, pensions payments and loss in income tax. Nevertheless, countrys immigration policies and laws set up favorable conditions for immigrants, and immigration rate exceeds emigration level. 10% of Germanys population consists of non-native nations, such as Turkish, Greek, Italian, Russian, Polish, Spanish and Serbo-Croatian.According to World Bank, UAEs locals compel only 16.5% of the total population. Meanwhile, the number of expatriates increasing over time, Indians accounts the biggest part with a 1.7 million people. Also, most o f native representatives tend to work in public sectors, benefiting with a higher salaries, shorter working hours, greater job security, while 98% of private-sector workplaces are occupied by expatriates.As the graphs below represent the population pyramids for compared countries, we can mention the aging population in Germany, as was described previously. Also we pay attention on difference in population composition of those countries. Almost in every age group Germanys population is somewhat balanced between male and female genders. On the other hand, we can see the drastic difference between male and female composition of United Arab Emirates population. Age groups from 20-64 is highly dominated by males this caused by the fact that most of them are expatriates and they are coming to the country in search of a job, leaving their families in home countries.Source US Census Bureau, International Data base (IDB)GDP GrowthThe economy of Germany continues to be based on individual con sumption and going to strengthen by further investments, meanwhile next exports is still deterring growth. Germany has been rock-bottom its dependence on exports in recent years. In addition, the Social Democratic Party has successfully pushed for an expenditure increase in infrastructural, educational sectors, as wellspring as pension increase and minimum-wage regulation across all country by 2015.Eurozones debt-crisis caused uncertainty on consumers confidence and future expectations about their own(prenominal) finances. Income is continuing to be supported by constant employment and increase in average wages. Also the expected perseverance of historically low vex rates will reinforce investment growth during upcoming years. Cheap mortgages will robust construction industry. Exports will recover during 2014, but the Eurozone crisis and geopolitical conflicts in the Ukraine and the Middle East are limiting scope. Although consecutive economic stabilization in the European Unio n will permit German exports to strengthen, the spikes in tantalise trend during end of 2013 and beginning of 2014 the natural structure of European debt crisis which in turn will limit the speed and vigour of export recovery. Furthermore, incandesce of Ukrainian situation and possible further escalations of actions in Iraq are incrementing worlds uncertainty and keeps international trade back.The expected growth of the GDP of UAE is 4.3% in certain year. Compared to the previous year the GDP growth, the highest after Great Recession, has declined. Economic growth had a strong acceleration in 2013 of 5.2%, but then economy faces some difficulties. Oil GDP expands only at a 1.8% rate this year, following 4.8% in 2013. With average global price of $109 per barrel in 2014, UAE oil outturn which concentrated within the Abu Dhabi emirate is going to reach around 2.7-2.8 million barrels per day.Non-oil sectors of the economy will continue to outrun growth driven by oil extraction. A ctivity in the non-oil sector has been steadily recovering following the downturn in 2009 and will continue to be the driving force of the economys growth momentum in 2014. Non-oil GDP is continuing holding on the same level as in 2013 approximately 5.4%. The UAE has economy is relatively stable amid the disorder in the region. The key non-oil activities such as tourism, retail, and service help to drive the growth. Manufacturing activities led by aluminium and petrochemical industries is going to strengthen the following years. Also strong economic conditions will benefit both the transport and trade sectors. Real estate and construction sectors also improved along with overall grocery store conditions. Infrastructure and development projects also had an additional motivation with Dubais award of next Expo city. A set of regulations implemented by authorities will help against a repeat of a boom cycles in Dubai. All these facts regarding Expo 2020 should provide a platform for a stable growth in tourism, construction, transport and hospitality industries in next 5 years.20032004200520062007200820092010201120122013Germany-0.38%1.16%0.68%3.70%3.27%1.08%-5.14%4.01%3.33%6.89%4.32%UAE8.80%9.57%4.86%9.84%3.18%3.19%-4.80%1.67%3.88%4.37%..GDP by type of ExpenditureAccording to the expenditure approach of calculation of Gross domestic help Product, it equals to the sum of such components as consumption (C), investment (I), government purchases (G), and net export, i.e. difference between export and import (NX) Y=C+I+G+NX.GermanyUAEGross capital formation (% of GDP)17.2622.66General government final consumption expenditure (% of GDP)19.296.90Household final consumption expenditure, etc. (% of GDP)57.5349.75Net Export (% of GDP)5.9220.68 swellingUAE consumer pompousness surpassed the 2% mark in April for the first time in five years, according to the National Bureau of Statistics. Housing price inflation was relatively continual with 2.6% year on year in May Dubais inflation has lowered to 3.7% compared to 4.9% in April. Real estate has become the main inflation driver in UAE, excelling food price inflation of 2.1%, even as food prices are increasing at 0.9$ rate per month.Consumer inflation is soon averaging 2.2% in 2014. The recovery of housing prices reflects the prolonged downturn in the real estate market. The annual inflation rate is expected to soar up to 3% by the end of 2014. Mildness of worlds good prices is going to benefit the inflationary pressures. The United Arab Emirates could face higher problems in their inflation outlook if commodity and food prices go up.20082009201020112012Germany2.6%0.3%1.1%2.1%2.0%UAE12.3%1.6%0.9%0.9%0.7%Germanys nationwide inflation should remain at a very kind level between 1% and 2% in near future. Following the consumer prices inflation leaped from a 22-year low of -0.5% in 2009 to around 2.5% in 2011, the economic deceleration caused by the Europes debt crisis during 2012 and early 2013 view led t o a softening below 1.5% that will remain during 2014.On balance, core inflation should move broadly sideways to around 1.5% during 2014, as a boosting effect from the Germanys economic recovery is offset by the continuing restraints of the Eurozone debt crisis, also the anticipated downward tendency of oil prices due to global supply factors. Although, monetary policy of the European Central Bank (ECB) will be much lighter than Germanys economy is demanding. Germans traditional disinclines to inflation should limit the consequence to which Germanys inflation will exceed the European average.Also, inflation will be stacked the level ECB considers unproblematic. Also due to pressure on ECB to corrupt Eurozones governments bonds and to allow higher inflation rates is enduring upward economic risk within the region.20072008200920102011Germany96.198.698.9100102.1UAE8797.699.1100100.9Human discipline IndexThe Human Development Index summarizes the long-term development of a particular country or region. It includes three basic parameters living standard, knowledge accessibility and health and longevity. The HDI is primarily based on international data provided by the United Nations Population Division, the United Nations Educational.In year 2013, The United Arab Emirates had a very high HDI think of of 0.827 which places the country on 40 out of 187 countries. From the very beginning of its existence as a government, the United Arab Emirates HDI had value increase from 0.640 to 0.827, and soared up for 29.2 percent. This gives us the average increase of about 0.78 percent per year.The Table below reviews the United Arab Emirates progress of the HDI indicator. Between 1980 and 2013, that was achieved by couple of factors the United Arab Emirates life antepast at birth increased by 9.2 years, average years of schooling increased by 5.5 years and expected years of studying increased by 4.7 years. On the other hand, the United Arab Emirates GNI per capita has dec reased by about 62.2 percent between 1980 and 2013, due to tremendous increase in expatriate population.UAEGermanyGNI per capita (2011 PPP$)HDI valueGNI per capita (2011 PPP$)HDI value1980153,6540.6425,5880.7391985139,4210.68627,3550.752199097,1410.72531,0020.7821995102,2030.76432,6430.8252000103,7980.79735,4970.8542005104,6680.82337,2590.887201057,3600.82440,5420.904201156,3930.82441,9070.908201257,0950.82542,9650.911201358,0680.82743,0490.911The recent Germanys HDI value is 0.911 which in turns is one of the highest on the globe positioning the country at 6 out of 187 countries and territories. winning the same time range as for UAE, 1980 and 2013, Germanys HDI value increased from 0.739 to 0.911, an increase of 23.3 percent or an average annual increase of about 0.64 percent. This in comparison to UAE is slightly lower.The table reviews Germanys progress in the HDI index. The increase in HDI is consisting of Germanys life expectancy at birth increased by 7.7 years, mean years of schooling increased by 7.2 years and expected years of schooling increased by 1.9 years. In terms of GNI, Germanys per capita increased by about 68.2 conversely to UAE, during the same period of time.

Analysis of Baxters Gryphon Essay -- Charles Baxter

In Gryphon by Charles Baxter, a class of fourth grade students gets a substitute teacher. She is in truth eccentric but knowledgeable and tells the whole class a lot of myths and facts. It is up to the class to decide what is true or not.In Gryphon, Miss Ferenczi specifically calls her wronged math answer a substitute fact but also tells the class many other things and myths that are true. For example, she tells the class a great preserve about Egypt and that features of the Constitution of the United States are notable for their Egyptian ideas. (145) Her whole lecture was complete fact about Egypt, a country she had a fretfulness for. However, it left the kids wondering if what she said was false, for she misled them earlier that day. Although the kids argued about her, this leaves the grea...

The Big Issue in the North Essay -- Social Issues, Homelessness, Crime

This essay will concentrate on the Big Issue in the North (BIIN) which is part of a social contrast with the solution and support systems to do eradicate social problems and create opportunities for people who have had a raw deal in life,(Swithinbank,2001) empowering them to change their lives. The BIIN is a limited company employing staff to write, design and distribute the magazine. Vendors buy the magazine for one pound and sell it for two pounds, making a 100 per-cent profit. most of this money must be re-invested into buying more magazines the rest is kept by the vendor. In this way, despite being socially excluded, the vendor has a reparation wage. This encourages people to make efforts to develop r out(a)ine and stability and gives them opportunity to change their lives for the better. This essay will look at how the Big Issue partakes in stream legislation the history of the Big Issue study the internal structure of the organisation and demonstrate how the Big Issue ensur es effectiveness and manages constraints. Every Government which has become into power has tried to eradicate homelessness, and lower crime rates. The 2002 Homelessness Act defined provisions that local councils, homeless agencies and housing associations have to follow to develop and help eradicate homelessness. Shelter says it is glad the government has come round to its view that street homelessness is only the most visible form of homelessness (Walker, 2002). As a declaration of these acts the BIIN in Liverpool partake in monthly meetings with other agencies such as the Whitechapel, Basement and Mental Health teams.The Liverpool Homelessness Strategy 2008- 11, sets out how all stakeholders such as the BIIN will focus on prevention of homelessness ... ...he ways staff overcomes this difficulty is by using internet resources, pictures and power phrasing words. In extreme mountain staff can consult a translator, however this is expensive. Another constraint is staff storages which mean out of town vendors are not always monitored as often as city centre vendors. This could be managed by having a staff member once a month committed to out of town visits. Finally this essay has shown how the BIIN gives homeless people the opportunity to earn an income it also gives them motivation and self-esteem and goes beyond just selling the magazine. This essay shows the BIIN works in partnership with many agencies by sharing information, by following government guidelines and offering people a hand up instead of hand out. The BIIN also demonstrates that all individuals should be included in society and be valued.

The Slaughter of the English Language Essay -- Collapse of the English

In George Orwells essay Politics of the English Language, Orwell argues that the English diction is in ruins. What is to blame for the collapse of the English language? The answer simply lies within technology. Technology in many moods has a adverse effect on the English language. Young kids are straight allowed to carry cell phones with school texting being their main source of communication. Often times these kids butcher the English language through their text messages. They use improper grammar and a lot times do not punctuate at all. Technology such as texting, facebook and instant messaging work hand in had in the ravaging of the English language. Technology has not made people more efficient, but rather has made them idle.Text messaging is a technology that contributes to the great turn away of the English language. The English language is often butchered through the use of text messaging. In Orwells essay, he states An effect can become a cause, reinforcing the pilot film cause and producing the same effect in an intensified form (446). Main stream society is too lazy to correct any grammar and punctuation in a text message, leading to the assumption that it is not important, after all it is only a text message. Thus, this shows the English language is in decline, when society is to lazy to take a few extra second to correct spelling and punctuation errors . One would not be able to write the same way in an academic essay as they would in a text message. If one would do so, that student would receive an F. No English teacher, or for that payoff any teacher, would be thrilled nor impressed reading an essay filled with these common texting erors. Another way society is contributing to the deterioration of the English language... ...ine because of technological advances. As Orwell states in his essay Modern English, especially written English, is full of bad habits which spread by imitation and which can be avoided if one is instinctive to tak e the necessary trouble. If one gets rid of these habits one can think more clearly (446). These bad habit are speaking in text speak instead of proper English. In past centuries we have fought great battles, now we unite against new enemy, the enemy of improper English.Works CitedBrockenbrough, Martha. Does IM Make U Dum. The Concious Reader.Ed. Caroline Shrobes, Michael Shrugrue, Marc DiPaolo, Christian J. Matuschek. Longman Boston, 2006.148-151. Print.Orwell, George. Politics and the English Language. The Concious Reader. Ed. Caroline Shrobes, Michael Shrugrue, Marc DiPaolo, Christian J. Matuschek. Longman Boston, 2006. 445-447. Print.

breastfeed or bottle-feed? Essay -- essays research papers

Is the milliampere going to meetfeed or bottle-feed?I must tell you that breast milk is usually best for your bollocks up.-Each mothers breast milk is made especially for their own newborn. It contains all the Vit., Min. & crusade that your minor needs( where as bottle milk has as little as 5-10% of all vit., min., & iron that are used by your baby.) Breast milk also continues to chg. as your baby grows to meet the changing needs of your infant, no formula is capable of such(prenominal) a chg. Breast milk contains protecting agents to help insure your babys health, these agents (WBCs and immunoglobins) help fight DZ and INF. Advantages of nurseing (Disadvantages to bottle feeding)1)promotes bonding between mom and infant, easily and quickly digested.2)Breastfed babies have fewer illnesses and faster recovery. The antibodies found in breast milk provide immunities that make it easier for a baby to fend strike illnesses such as colds and ear infections. So not only do breastfed babies tend to select sick less often but when they do get sick, they get better faster then babies that are bottle fed. Pre-mature babies who get breast milk also have less GI problems3)Breast milk has long term health benefits for your baby. The positive effects of breastfeeding last well beyond babyhood. Studies show that babies breastfed for the first six months are 43% less credibly to become obese as children, if breastfed for more then 1 year they are 72% less likely to be overweight. Breastfeed babies have a lower risk of HTN later in life, they also have a lower risk of snoring and obstructive sleep apnea later in life. Breastfeed babies also have an average of 8 to 10 IQ points higher then bottle-fed babies. Finally breastfed babies have a lower incidence of SIDs4)Breastfeeding helps to take the pounds off later on pregnancy. Producing breast milk requires 500 calories a day5)Breastfeeding also helps benefit moms health. Some studies indicate that breastfeeding decreas es or lowers a womans risk of pre-menopausal breast cancer. It also appears to protect against osteoporosis.6)Breast milk is inexpensive as opposed to bottle feeding which tends to count around $1400 to $1800 a year.7)&n... ...oiling, soaking in antibacterial solution (instructions are on the packet), or microwave bottle sterilizer. Store sterilized bottles in the refrigerator. restore the formula and shake thoroughly. Warm to room temp then give to baby 4)Feeding the baby Cuddles and comfort are as important for your baby as feeding is, bottle fed babys can bond too. Cradling your baby in your arms is the best position. Never feed the baby while he or she is laying downProblems while Breastfeeding1)Sore nipples (usually during the first week) Check the latch on technique and position of the baby during feedings. You indispensableness to vary nursing positions. You can also use OTC lubricants or express a little milk or colostrum onto your nipples before and after nursing, gentl y pat dry (antibacterial qualities) In most cases sore or cracked nipples are no longer painful once good spot and latch on are achieved.2)Breast engorgement usually occurs in 2-3 days but is usually temporary and last only 3-7 days. For treatment and prevention persist a comfortable bra to support your breasts (no under wire at this time)