Chapter 25. Backup and Restore
| Up | Part III. Server Administration | Home |

## Chapter 25. 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.

| Up |
| Home |