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You're reading from  PostgreSQL 14 Administration Cookbook

Product typeBook
Published inMar 2022
PublisherPackt
ISBN-139781803248974
Edition1st Edition
Concepts
Databases
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Authors (2):
Simon Riggs
Simon Riggs
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Simon Riggs

Simon Riggs is the CTO of 2ndQuadrant, having contributed to PostgreSQL as a major developer and committer for 14 years. He has written and designed features for replication, performance, BI, management, and security. Under his guidance, 2ndQuadrant is now a leading developer of open source PostgreSQL, serving hundreds of clients in USA, Europe, and worldwide. Simon is a frequent speaker at many conferences on PostgreSQL Futures. He has worked as a database architect for 30 years.
Read more about Simon Riggs

Gianni Ciolli
Gianni Ciolli
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Gianni Ciolli

Gianni Ciolli is the Vice President for Solutions Architecture at EnterpriseDB (EDB). As a PostgreSQL consultant, he has driven many successful enterprise deployments for customers in every part of the globe.Gianni is respected worldwide as a popular speaker and trainer at many PostgreSQL conferences in Europe and abroad over the last 14 years. He has worked with free and open-source software since the 1990s as an active member of the community (Prato Linux User Group, and Italian PostgreSQL Users Group). Gianni has a Ph.D. in Mathematics from the University of Florence. He lives in London with his son. His other interests include music, drama, poetry and athletics.
Read more about Gianni Ciolli

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Extracting a logical backup from a physical one

Once you have a physical backup, you can extract a logical backup from it, applying some of the recipes that we have already seen.

This recipe is quite short because it is essentially a combination of recipes that we have already described. Nevertheless, it is important because it clarifies that you don't need to worry about extracting logical backups, if you already have physical ones.

Getting ready

You just need to decide whether you want to extract a logical backup corresponding to a specific point in time or simply to the latest available snapshot.

How to do it…

First, perform a PITR, as indicated in the Recovery to a point in time recipe earlier in this chapter. If you want a logical backup corresponding to the latest available snapshot, just omit the --target-time clause. Then, follow the Hot logical backups of one database recipe to take a logical backup from the temporary instance.

Finally...

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PostgreSQL 14 Administration Cookbook
Published in: Mar 2022Publisher: PacktISBN-13: 9781803248974
© 2022 Packt Publishing Limited All Rights Reserved

Authors (2)

author image
Simon Riggs

Simon Riggs is the CTO of 2ndQuadrant, having contributed to PostgreSQL as a major developer and committer for 14 years. He has written and designed features for replication, performance, BI, management, and security. Under his guidance, 2ndQuadrant is now a leading developer of open source PostgreSQL, serving hundreds of clients in USA, Europe, and worldwide. Simon is a frequent speaker at many conferences on PostgreSQL Futures. He has worked as a database architect for 30 years.
Read more about Simon Riggs

author image
Gianni Ciolli

Gianni Ciolli is the Vice President for Solutions Architecture at EnterpriseDB (EDB). As a PostgreSQL consultant, he has driven many successful enterprise deployments for customers in every part of the globe.Gianni is respected worldwide as a popular speaker and trainer at many PostgreSQL conferences in Europe and abroad over the last 14 years. He has worked with free and open-source software since the 1990s as an active member of the community (Prato Linux User Group, and Italian PostgreSQL Users Group). Gianni has a Ph.D. in Mathematics from the University of Florence. He lives in London with his son. His other interests include music, drama, poetry and athletics.
Read more about Gianni Ciolli

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