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Mastering PostgreSQL 10

You're reading from   Mastering PostgreSQL 10 Expert techniques on PostgreSQL 10 development and administration

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Product type Paperback
Published in Jan 2018
Publisher Packt
ISBN-13 9781788472296
Length 428 pages
Edition 1st Edition
Languages
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Author (1):
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Hans-Jürgen Schönig Hans-Jürgen Schönig
Author Profile Icon Hans-Jürgen Schönig
Hans-Jürgen Schönig
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Table of Contents (15) Chapters Close

Preface 1. PostgreSQL Overview FREE CHAPTER 2. Understanding Transactions and Locking 3. Making Use of Indexes 4. Handling Advanced SQL 5. Log Files and System Statistics 6. Optimizing Queries for Good Performance 7. Writing Stored Procedures 8. Managing PostgreSQL Security 9. Handling Backup and Recovery 10. Making Sense of Backups and Replication 11. Deciding on Useful Extensions 12. Troubleshooting PostgreSQL 13. Migrating to PostgreSQL 14. Other Books You May Enjoy

Optimizing Queries for Good Performance

In Chapters 5, Log Files, System Statistics, you learned how to read system statistics and how to make use of what PostgreSQL provides. Armed with this knowledge, this chapter is all about good query performance. You will learn more about the following topics:

  • Optimizer internals
  • Execution plans
  • Partitioning data
  • Enabling and disabling optimizer settings
  • Parameters for good query performance

At the end of the chapter, I hope that you will be able to write better and faster queries. And if your queries still happen to be bad, you should be able to understand why this is the case. You will also be able to use the new techniques to partition data.

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