pg_dumpall

Extract a PostgreSQL database cluster into a script file or other archive file. More information: https://www.postgresql.org/docs/current/app-pg-dumpall.html.

• Dump all databases:

pg_dumpall > path/to/file.sql

• Dump all databases using a specific username:

pg_dumpall -U|–username username > path/to/file.sql

• Same as above, customize host and port:

pg_dumpall -h host -p port > output_file.sql

• Dump only database data into an SQL-script file:

pg_dumpall -a|–data-only > path/to/file.sql

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

pg_dumpall -s > output_file.sql