Chapter 26. Backup and Restore
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## Chapter 26. Backup and Restore

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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25.3. Log File Maintenance | Home | 26.1. SQL Dump