This documentation is for an unsupported version of PostgreSQL.
You may want to view the same page for the
currentversion, or one of the other supported versions listed above instead.
As with everything that contains valuable data, PostgreSQL databases should be backed up regularly. While the procedure is essentially simple, it is important to have a clear understanding of the underlying techniques and assumptions.
There are three fundamentally different approaches to backing up PostgreSQL data:
SQL dump
File system level backup
Continuous archiving
Each has its own strengths and weaknesses; each is discussed in turn in the following sections.
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