PostgreSQL 15 : Backup and Restore2023/04/28 |
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For Backup and Restore PostgreSQL Data, it's possible to run with [pg_dump] and [pg_restore].
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| [1] | Backup Databases. |
# available types for [--format=*]
# p = plain (SQL)
# c = custom (compression)
# t = tar
# d = directory
# [fedora] user takes backup of [testdb]
[fedora@www ~]$ pg_dump -U fedora --format=t -d testdb > pg_testdb.tar [fedora@www ~]$ total 8 -rw-r--r--. 1 fedora fedora 6656 Apr 28 10:41 pg_testdb.tar drwxr-xr-x. 2 fedora fedora 24 Apr 28 08:48 public_html # admin user [postgres] takes backup of all databases [postgres@www ~]$ pg_dumpall -f ~/backups/pg_DB_all.sql [postgres@www ~]$ ll ~/backups total 4 -rw-r--r--. 1 postgres postgres 3248 Apr 28 10:42 pg_DB_all.sql |
| [2] | Restore Databases. |
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# [fedora] user restores [testdb] database from backup file [fedora@www ~]$ pg_restore -U fedora -d testdb pg_testdb.tar
# admin user [postgres] restores all database from backup file # if the type of backup file is SQL text, use [psql] command for restoring [postgres@www ~]$ psql -f ~/backups/pg_DB_all.sql |
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