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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

Approaching an unknown database

If you happen to administer a large-scale system, you might not know what the system is actually doing. Managing hundreds of systems implies that you won’t know what is going on with each of them.

The most important thing when it comes to troubleshooting boils down to a single word: data. If there is not enough data, there is no way to fix things. Therefore, the first step to troubleshooting is to always set up a monitoring tool, such as pgwatch2 (available at https://www.cybertec-postgresql.com/en/products/pgwatch2/), which gives you some insights into your database server. Without proper data collection, troubleshooting is basically impossible. Always keep in mind that without data, you will be clueless.

Once a reporting tool informs you about a situation that is worth checking, this means it has been proven useful for approaching the system in an organized way.

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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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