R
- random()
- REASSIGN OWNED
- recovery.conf
- recovery_end_command
- recovery_min_apply_delay
- recovery_prefetch
- recovery_prefetch_fpw
- recovery_target_action
- Recursive query
- redirect_stderr
- REDO record
- REDO WAL file
- REFRESH MATERIALIZED VIEW
- regexp_count()
- regexp_instr()
- regexp_like()
- regexp_match()
- regexp_matches()
- regexp_replace()
- regexp_split_to_array()
- regexp_split_to_table()
- regexp_substr()
- REINDEX
- reindexdb
- RELEASE SAVEPOINT
- repeat()
- replace()
- replication_timeout
- repmgr
- RESET
- restart_after_crash
- Restartpoint
- restore_command
- reverse()
- REVOKE
- right()
- ROLLBACK
- ROLLBACK PREPARED
- ROLLBACK TO SAVEPOINT
- row_security_policy_hook_permissive
- row_security_policy_hook_restrictive
- rpad()
- rtree_gist
- rtrim()