This section is from the "Practical PostgreSQL" book, by John Worsley and Joshua Drake. Also available from Amazon: Practical PostgreSQL.
Similar to your networking system, your database system also needs to be backed up regularly. Before performing backups, you should have a basic understanding of the concepts and the underlying processes. This section can help you to utilize the different implementation options available.
PostgreSQL provides two main approaches to backing up data. They are:
Through the PostgreSQL dump command.
Through the file system level backup.
 
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