
PostgreSQL 14 Administration Cookbook
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Logical backup makes a copy of the data in the database by dumping the content of each table, as well as object definitions for that same database (such as schemas, tables, indexes, views, privileges, triggers, and constraints).
The command to do this is simple. The following is an example of doing this when using a database called pgbench
:
pg_dump -F c pgbench > dumpfile
Alternatively, you can use the following command:
pg_dump -F c -f dumpfile pgbench
Finally, note that you can also run pg_dump
via the pgAdmin 4 GUI, as shown in the following screenshot:
Figure 11.2 – Using the pgAdmin 4 GUI
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 ...
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