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PostgreSQL 13 Cookbook

You're reading from   PostgreSQL 13 Cookbook Over 120 recipes to build high-performance and fault-tolerant PostgreSQL database solutions

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Product type Paperback
Published in Feb 2021
Publisher Packt
ISBN-13 9781838648138
Length 344 pages
Edition 1st Edition
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Author (1):
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Vallarapu Naga Avinash Kumar Vallarapu Naga Avinash Kumar
Author Profile Icon Vallarapu Naga Avinash Kumar
Vallarapu Naga Avinash Kumar
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Table of Contents (14) Chapters Close

Preface 1. Cluster Management Fundamentals 2. Cluster Management Techniques FREE CHAPTER 3. Backup and Recovery 4. Advanced Replication Techniques 5. High Availability and Automatic Failover 6. Connection Pooling and Load Balancing 7. Securing through Authentication 8. Logging and Analyzing PostgreSQL Servers 9. Critical Services Monitoring 10. Extensions and Performance Tuning 11. Upgrades and Patches 12. About Packt 13. Other Books You May Enjoy

Backing up and restoring one or more tables using pg_dump and pg_restore

In the previous recipe, we saw how pg_dump can be used to take a backup of an entire database. In this recipe, we will see how pg_dump can be used to take a backup of one or more tables from a database and restore those tables into another database.

Getting ready

pg_dump can be used to take a logical backup of single or multiple tables from a database. However, we cannot dump one table from one database and another table from a different database at once. pg_dump can only work on one database at a time. At the same time, it is also possible to take a dump of the entire database excluding one or more tables.

In order to perform the backup, the user should be able to connect to the database and access the tables being considered for backup. If the user is a superuser, then it does not need any additional privileges to perform the backup.

How to do it

In order to back up and restore a table, we use the flag -t. We could...

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