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

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Backup of database object definitions

Sometimes, it's useful to get a dump of the object definitions that make up a database. This is useful for comparing what's in the database against the definitions in a data- or object-modeling tool. It's also useful to make sure you can recreate objects in the correct schema, tablespace, and database with the correct ownership and permissions.

How to do it…

The basic command to dump the definitions only is the following:

pg_dumpall ––schema-only > myscriptdump.sql

This includes all objects, including roles, tablespaces, databases, schemas, tables, indexes, triggers, constraints, views, functions, ownerships, and privileges.

If you want to dump PostgreSQL role definitions, you can use this command:

pg_dumpall ...

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