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PostgreSQL 14 Administration Cookbook

You're reading from  PostgreSQL 14 Administration Cookbook

Product type Book
Published in Mar 2022
Publisher Packt
ISBN-13 9781803248974
Pages 608 pages
Edition 1st Edition
Languages
Concepts
Authors (2):
Simon Riggs Simon Riggs
Profile icon Simon Riggs
Gianni Ciolli Gianni Ciolli
Profile icon Gianni Ciolli
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Table of Contents (14) Chapters

Preface Chapter 1: First Steps Chapter 2: Exploring the Database Chapter 3: Server Configuration Chapter 4: Server Control Chapter 5: Tables and Data Chapter 6: Security Chapter 7: Database Administration Chapter 8: Monitoring and Diagnosis Chapter 9: Regular Maintenance Chapter 10: Performance and Concurrency Chapter 11: Backup and Recovery Chapter 12: Replication and Upgrades Other Books You May Enjoy

Performing actions on many tables

As a database administrator, you will often need to apply multiple commands as part of the same overall task. This task could be one of the following:

  • Performing many different actions on multiple tables
  • Performing the same action on multiple tables
  • Performing the same action on multiple tables in parallel
  • Performing different actions, one on each table, in parallel

The first is a general case where you need to make a set of coordinated changes. The solution is to write a script, as we've already discussed. We can also call this static scripting because you write the script manually and then execute it.

The second type of task can be achieved very simply with dynamic scripts, where we write a script that writes another script. This technique is the main topic of this recipe.

Performing actions in parallel sounds cool, and it would be useful if it were easy. In some ways...

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