R
- radians()
- random()
- random_normal()
- random_page_cost
- range_merge()
- REASSIGN OWNED
- recovery.conf
- recovery_end_command
- recovery_init_sync_method
- recovery_min_apply_delay
- recovery_prefetch
- recovery_prefetch_fpw
- recovery_target
- recovery_target_action
- recovery_target_name
- 递归查询
- recursive_worktable_factor
- redirect_stderr
- REDO 记录
- REDO WAL 文件
- 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
- remove_temp_files_after_crash
- rendezvous_name
- repeat()
- replace()
- replication_timeout
- repmgr
- reserved_connections
- RESET
- 重置角色
- restart_after_crash
- 重启点
- restore_command
- restrict_nonsystem_relation_kind
- reverse()
- REVOKE
- right()
- ROLLBACK
- ROLLBACK PREPARED
- 回滚到保存点
- round()
- row_security_policy_hook_permissive
- row_security_policy_hook_restrictive
- row_to_json()
- rpad()
- rtree_gist
- rtrim()