April 2018
Intermediate to advanced
508 pages
15h 22m
English
Content preview from PostgreSQL 10 High Performance - Third Edition
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pg_dump
pg_dump is a utility for backing up a PostgreSQL database. It makes consistent backups even if the database is being used concurrently. pg_dump does not block other users accessing the database (readers or writers). It only dumps a single database. To back up global objects that are common to all databases in a cluster, use pg_dump_all.
The dump can be made in a script or file formats. Script files are plain-text files containing the SQL commands required to reconstruct the database to the state it was in at the time it was saved. File formats can be used by pg_restore to rebuild the database.
To choose which format to use, you can select the output format using the -F option followed by:
- p: Plain—output a plain-text SQL script file ...
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