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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

Making use of DBA-related features

In PostgreSQL 15, a couple of developer-related features were added. Some features were also finally deprecated and have been removed from the server. In this section, we will go through the most important major changes.

Removing support for old pg_dump

One of the first things that is worth noting is that support for really old databases has been removed from pg_dump. PostgreSQL databases that are older than PostgreSQL 9.2 are not supported anymore. Considering that PostgreSQL 9.2.0 was released to the PostgreSQL community FTP server on September 10, 2012, most people should have gotten rid of their PostgreSQL 9.1 (and older) systems by now.

If you have not been able to upgrade since then, we highly recommend doing that. It is still possible to upgrade from such an old version to PostgreSQL 15. However, you will need an intermediate step and to use pg_dump twice.

Deprecating Python 2

PostgreSQL allows developers to write stored procedures...

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