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PostgreSQL 9 Administration Cookbook - Second Edition by Simon Riggs, Gianni Ciolli, Hannu Krosing, Gabriele Bartolini

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Hot logical backup of one database

Logical backup makes a copy of the data in the database by dumping the content of each table.

How to do it…

The command to do this is simple, as follows:

pg_dump -F c > dumpfile

Or, you can use the following command:

pg_dump –F c –f dumpfile

You can also do this through pgAdmin3, as shown in the following screenshot:

How to do it…

How it works…

The pg_dump utility produces a single output file. This output file can use the split command to separate the file into multiple pieces, if required.

The pg_dump archive file, also known as custom format, is lightly compressed by default. Compression can be removed or made more aggressive. ...

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