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Expert Oracle SQL optimization, deployment, and statistics


Expert Oracle SQL optimization, deployment, and statistics

Title: Expert Oracle SQL optimization, deployment, and statistics | Author(s): Hasler, Tony | Publisher: Apress | Year: 2014 | Edition: 1st ed | Language: English | Pages: 571 | ISBN: 1430259779, 978-1-4302-5977-0, 978-1-4302-5978-7 | Size: 2 MB | Extension: pdf

 

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. Youll learn not only to improve performance when it is too slow, but also to stabilize performance when it is too variable. Youll 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.

Next after identifying a problem and the underlying root cause is to put in place a solution. Expert Oracle SQL: Optimization, Deployment, and Statistics explains how to apply various remedies such as changing the SQL statement, adding hints, changing the physical design, and more, and how they can be brought to bear on fixing a problem once and for all.

Rolling a change out smoothly is an important topic when dealing with tuning and optimization. Expert Oracle SQL: Optimization, Deployment, and Statistics does not let you down in this critical area. The book contains two chapters of good information from an experienced professional on how to safely deploy changes into production so that your systems remaining running and available throughout the deployment process.

 

  • Describes a systematic approach to tuning Oracle SQL
  • Explains how things are supposed to work, what can go wrong, and how to fix it
  • Takes you through the steps needed to stabilize performance in your production systems

 

Table of contents (20 chapters)

  • SQL Features

    Hasler, Tony

    Pages 3-24

  • The Cost-Based Optimizer

    Hasler, Tony

    Pages 25-36

  • Basic Execution Plan Concepts

    Hasler, Tony

    Pages 37-46

  • The Runtime Engine

    Hasler, Tony

    Pages 47-64

  • Introduction to Tuning

    Hasler, Tony

    Pages 65-78

  • Object Statistics and Deployment

    Hasler, Tony

    Pages 79-98

  • Advanced SQL Concepts

    Hasler, Tony

    Pages 101-126

  • Advanced Execution Plan Concepts

    Hasler, Tony

    Pages 127-174

  • Object Statistics

    Hasler, Tony

    Pages 175-228

  • Access Methods

    Hasler, Tony

    Pages 231-260

  • Joins

    Hasler, Tony

    Pages 261-294

  • Final State Optimization

    Hasler, Tony

    Pages 295-304

  • Optimizer Transformations

    Hasler, Tony

    Pages 305-384

  • Why Do Things Go Wrong?

    Hasler, Tony

    Pages 387-402

  • Physical Database Design

    Hasler, Tony

    Pages 403-424

  • Rewriting Queries

    Hasler, Tony

    Pages 425-444

  • Optimizing Sorts

    Hasler, Tony

    Pages 445-476

  • Using Hints

    Hasler, Tony

    Pages 477-506

  • Advanced Tuning Techniques

    Hasler, Tony

    Pages 507-522

  • Managing Statistics with TSTATS

    Hasler, Tony

    Pages 525-576


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