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Mastering PostgreSQL 15 - Fifth Edition

You're reading from Mastering PostgreSQL 15 - Fifth Edition

Product type Book

Published in Jan 2023

Publisher Packt

ISBN-13 9781803248349

Pages 522 pages

Edition 5th Edition

Languages

Concepts

Robotic Process Automation

Author (1):

Hans-Jürgen Schönig

Table of Contents (16) Chapters

Preface

1. Chapter 1: PostgreSQL 15 Overview

2. Chapter 2: Understanding Transactions and Locking

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

Why subscribe?

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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Authors (1)

Hans-Jürgen Schönig

Hans-Jürgen Schönig has 20 years' experience with PostgreSQL. He is the CEO of a PostgreSQL consulting and support company called CYBERTEC PostgreSQL International GmbH. It has successfully served countless customers around the globe. Before founding CYBERTEC PostgreSQL International GmbH in 2000, he worked as a database developer at a private research company that focused on the Austrian labor market, where he primarily worked on data mining and forecast models. He has also written several books about PostgreSQL.

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