Expert Oracle SQL [DrLol].pdf

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Added on January 6, 2015 by DrLolin Books > Ebooks
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Expert Oracle SQL [DrLol].pdf (Size: 5.07 MB)
 Expert Oracle SQL [DrLol].pdf5.07 MB

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Book Description
Expert Oracle SQL: Optimization, Deployment, and Statistics is about optimizing individual SQL statements, especially on production database systems. This Oracle-specific book begins by assuming you have already identified a particular SQL statement and are considering taking steps to improve its performance. The book describes a systematic process by which to diagnose a problem statement, identify a fix, and to implement that fix safely in a production system. You'll learn not only to improve performance when it is too slow, but also to stabilize performance when it is too variable. You'll learn about system statistics and how the Cost-Based Optimizer uses them to determine a suitable execution plan for a given statement. That knowledge provides the foundation from which to identify the root cause, and to stabilize and improve performance.


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Expert Oracle SQL [DrLol].pdf