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pg_dumpall

Extract a PostgreSQL database cluster into a script file or other archive file.

More information.

Dump all databases:

pg_dumpall > {path/to/file.sql}

Dump all databases using a specific username:

pg_dumpall --username={username} > {path/to/file.sql}

Same as above, customize host and port:

pg_dumpall -h {host} -p {port} > {output_file.sql}

Dump all databases into a custom-format archive file with moderate compression:

pg_dumpall -Fc > {output_file.dump}

Dump only database data into an SQL-script file:

pg_dumpall --data-only > {path/to/file.sql}

Dump only schema (data definitions) into an SQL-script file:

pg_dumpall -s > {output_file.sql}

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