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PostgreSQL 16 Administration Cookbook

You're reading from   PostgreSQL 16 Administration Cookbook Solve real-world Database Administration challenges with 180+ practical recipes and best practices

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Product type Paperback
Published in Dec 2023
Publisher Packt
ISBN-13 9781835460580
Length 636 pages
Edition 1st Edition
Languages
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Authors (5):
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Boriss Mejías Boriss Mejías
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Boriss Mejías
Jimmy Angelakos Jimmy Angelakos
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Jimmy Angelakos
Simon Riggs Simon Riggs
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Simon Riggs
Gianni Ciolli Gianni Ciolli
Author Profile Icon Gianni Ciolli
Gianni Ciolli
Vibhor Kumar Vibhor Kumar
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Vibhor Kumar
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Toc

Table of Contents (15) Chapters Close

Preface 1. First Steps 2. Exploring the Database FREE CHAPTER 3. Server Configuration 4. Server Control 5. Tables and Data 6. Security 7. Database Administration 8. Monitoring and Diagnosis 9. Regular Maintenance 10. Performance and Concurrency 11. Backup and Recovery 12. Replication and Upgrades 13. Other Books You May Enjoy
14. Index

Accessing objects in other PostgreSQL databases

Sometimes, you may want to access data in other PostgreSQL databases. The reasons for this may be as follows:

  • You have more than one database server, and you need to extract data (such as a reference) from one server and load it into the other.
  • You want to access data that is in a different database on the same database server, which was split for administrative purposes.
  • You want to make some changes that you do not wish to roll back in the event of an error or transaction abortion. These are known as function side-effects or autonomous transactions.

You may also be considering this because you are exploring the scale-out, sharding, or load-balancing approaches. If so, read the last part of this recipe (the See also section) and then skip to Chapter 12, Replication and Upgrades.

NOTE

PostgreSQL includes two separate mechanisms for accessing external PostgreSQL databases: dblink and the...

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