Xem 1-20 trên 34 kết quả Diagnosing performance
  • Written by a team of expert SQL users, this comprehensive resource approaches performance tuning from a new perspective by showing you a methodical scientific approach to diagnose performance problems. The book first walks you through how to discover bottlenecks when something is wrong and you’ll then learn how to identify and remove the problems that are causing poor performance. You’ll discover preventive measures you can take to try to avoid a performance problem entirely and you’ll learn how to achieve better performance....

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  • After completing this lesson, you should be able to do the following: Use the Oracle tuning methodology to diagnose and resolve performance problems Use Oracle tools to diagnose performance problems Understand the goals of the workshop

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  • Oracle Database 11g contains several major innovations in the areas of change management, fault diagnosability, performance management, Data Guard administration, storage management, and data warehousing, among other areas. Besides the database administration changes, there are significant improvements in application development–related features, including natively compiled PL/SQL code, PL/SQL inlining, and enhanced triggers.

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  • We need to understand the basic the basic financial statements of the company so that we can diagnose and understand the strengths and weaknesses, and the potential dangers that the firm may be facing. Understanding financial statements also helps us to recognize good companies which we may wish to invest in or trade with.

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  • Product evaluation is an important part of brewing, whether performed informally or formally and whether the product is from a commercial or home brewery. Formal beer evaluation serves three primary purposes in the context of brewing competitions. First, the beer evaluations provide feedback to the brewer concerning how well an individual recipe represents its intended beer style. This feedback can be useful as recipes are fine-tuned and attempts are made to improve the beer. Second, beer evaluations may provide brewers with troubleshooting advice.

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  • A technique that carried less risk and could be performed as an office procedure was the method of needle biopsy of the prostate through the perineum. The first description came in 1922 from Barringer who adopted Martin and Ellis’ technique of needle puncture for acquiring tissue for histological analysis (Barringer, 1922). He described the use of a screw tip needle to obtain a perineal punch biopsy and was successful in obtaining prostatic tissue in 16 out of 33 patients.

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  • Two cell lines were created; Flp293A and 293 FLEX, both derived from 293 cells. The former pseudotyped with amphotropic and the latter with GaLV envelopes. Recently, a PG13-based murine producer cell line was also established using this strategy (Loew et al. 2009). A favorable chromosomal site for stable and high retroviral vector production is first identified and tagged.

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  • After completing this lesson, you should be able to do the following: Identify issues associated with managing users in an Oracle Shared Server environment Configure the Oracle Shared Server environment to optimize performance Diagnose and resolve performance issues with Oracle Shared Server processes

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  • After completing this lesson, you should be able to do the following: List the advantages of distributing different Oracle file types Diagnose tablespace usage problems List reasons for partitioning data in tablespaces Describe how checkpoints work Monitor and tune checkpoints Monitor and tune redo logs

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  • The recommendations are based on four guiding principles. First, PSPs should perform specifi c assessments of the risks associated with providing internet payment services, which should be regularly updated in line with the evolution of internet security threats and fraud. Some risks in this area have been identifi ed in the past, for example by the Bank for International Settlements in 2003 6 or the Federal Financial Institutions Examination Council in 2005 and 2011.

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  • But there are serious downsides. Unless questions are tested with a few people first and carefully worded, they may be easily misinterpreted. Hence, a poorly worded question can deliver useless or misleading results.8 Surveys tend to weight all performance aspects similarly, so if the director does a great job on community relations and finances but has failed at an area the board thinks is very minor, the less important category can “drag down” the overall score.

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  • Workshop Methodology Group-Oriented and Interactive Structure The workshop is structured to allow individuals to work in groups to perform database backup, restore, and recovery operations. Each group is encouraged to share its approach to resolving database failures with other groups in the class. Intensive Hands-On Diagnosis and Problem Resolution The intent is to provide you with as much hands-on experience as possible to diagnose and work through backup and recovery scenarios.

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  • This book is a collection of practical writings on business and management topics and is a companion to “Management Briefs: Management and Leadership Theory Made Simple.” These writings originally appeared in the business section of the local newspaper in Abilene, Texas, U.S.A. Using examples from movies, books, sports, and everyday experiences, they are designed to introduce readers to a variety of business topics in a concise, fun, and interesting manner. This volume should be useful to professional and aspiring managers as well as to students of management and business....

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  • Biopsy (BY-op-see): The removal of cells or tissues for examination by a pathologist. The pathologist may study the tissue under a microscope or perform other tests on the cells or tissue. When only a sample of tissue is removed, the procedure is called an incisional biopsy. When an entire lump or suspicious area is removed, the procedure is called an excisional biopsy. When a sample of tissue or fluid is removed with a needle, the procedure is called a needle biopsy, core biopsy, or fine-needle aspiration.

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  • Each modeler has a local copy of the NCI Thésaurus. This prevents problems where one modeler may make a change that impacts changes made by another. Once each modeler makes changes to their local copies of the nomenclature (3), a Change Set that captures the editing performed in their local copy is sent back to the workflow manager (4). The changes are analyzed to identify any conflicts that may have arisen in the process. If any corrections are needed, new assignments are...

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  • Patients with kidney disease may present with abnormal urinary findings. A carefully performed urinalysis using physical, chemical, and microscopic examination is an easy and informative tool to the practicing physician [4]. The American Academy of Pediatrics recommends a urinalysis as a part of preventive pediatric health care at age 5 years and mid-adolescence [5]. An abnormal urinalysismay be the only presenting sign of chronic GN. The most common urinary abnormalities are hematuria and proteinuria. Hematuria may be gross or microscopic, discovered during a routine urinalysis.

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  • Programmability often allows for noninvasive correction of pacemaker malfunction, optimizing battery life and adjustment of the pacemaker to the patient's physiologic needs, which may change over time. Before external programming is performed, any problems must be appropriately diagnosed and the clinical status of the patient, especially the degree of the patient's pacemaker dependency and the safety margin left after programming, must be considered.

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  • Hemodynamic monitoring is one of the major diagnostic tools available in the acute care setting to diagnose cardiovascular insufficiency and monitor changes over time in response to interventions. However, in recent years, the rationale and efficacy of hemodynamic monitoring to affect outcome has come into question. We now have increasing evidence that outcome from critical illness can be improved by focused resuscitation based on existing hemodynamic monitoring, whereas non-specific aggressive resuscitation impairs survival.

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  • A prior acquisition without intravenous contrast is recommended. It assesses solid organ hematomas and sentinel hematoma. Arterial acquisition is performed when chest exploration is indicated. Delayed acquisition (2-3 minutes) is performed when renal lesions or active bleeding are diagnosed. A number of studies have evaluated the safety and sensitivity of the triple-contrast CT approach. A metaanalysis performed by Goodman and al. [4], performed to determine the predictive value of CT for laparotomy in hemodynamically stable patients with penetrating abdominal trauma.

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  • Chemotherapy Chemotherapy palliates symptoms, improves the quality of life, and improves survival in newly diagnosed patients with stage IV NSCLC, particularly in patients with good performance status. Whereas the median survival for untreated patients is roughly 4–6 months, and 1-year survival is 5–10%, with combination chemotherapy the median survival is 8–10 months, 1-year survival is 30–35%, and 2-year survival 10–15%. Combination chemotherapy produces an objective tumor response in 20–30% of patients, although the response is complete in ...

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