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Mastering PostgreSQL 15

You're reading from   Mastering PostgreSQL 15 Advanced techniques to build and manage scalable, reliable, and fault-tolerant database applications

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Product type Paperback
Published in Jan 2023
Publisher Packt
ISBN-13 9781803248349
Length 522 pages
Edition 5th 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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Toc

Table of Contents (16) Chapters Close

Preface 1. Chapter 1: PostgreSQL 15 Overview 2. Chapter 2: Understanding Transactions and Locking FREE CHAPTER 3. Chapter 3: Making Use of Indexes 4. Chapter 4: Handling Advanced SQL 5. Chapter 5: Log Files and System Statistics 6. Chapter 6: Optimizing Queries for Good Performance 7. Chapter 7: Writing Stored Procedures 8. Chapter 8: Managing PostgreSQL Security 9. Chapter 9: Handling Backup and Recovery 10. Chapter 10: Making Sense of Backups and Replication 11. Chapter 11: Deciding on Useful Extensions 12. Chapter 12: Troubleshooting PostgreSQL 13. Chapter 13: Migrating to PostgreSQL 14. Index 15. Other Books You May Enjoy

Questions

Let us focus on some of the most important questions people often ask:

  • Should everybody create dumps? Actually, no. Dumps are often used as backups and are therefore considered to be an administrative task. Therefore, a proper security system is needed to ensure that not everyone can read everything.
  • Why are dumps so small? A binary copy is a lot larger because it contains the data “as it is” on disk. In a dump, things such as indexes are merely definitions, which are, of course, a lot smaller.
  • Do you have to dump the globals too? Forgetting to dump globals is often a core problem. Make sure that you always have a copy of those globals around.
  • Is it safe to have a .pgpass file? It is safe if you have made 100% sure that the directory containing .pgpass files is only readable by the desired user.

The answers to these questions can also be found in the GitHub repository (https://github.com/PacktPublishing/Mastering-PostgreSQL-15-).

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