PostgreSQL psql 常用命令总结
作者：晓枫的春天
psql是PostgreSQL的一个命令行交互式客户端工具，它具有非常丰富的功能，类似于Oracle的命令行工具sqlplus，本文给大家总结下PostgreSQL 中常用 psql 常用命令以便后续查阅，感兴趣的朋友跟随小编一起看看吧
今天总结下 PostgreSQL 中常用 psql 常用命令以便后续查阅。
角色查看
hrdb=> \du
List of roles
Role name | Attributes | Member of
-----------+------------------------------------------------------------+-----------
admin | Create role, Create DB, Cannot login | {}
postgres | Superuser, Create role, Create DB, Replication, Bypass RLS | {}
wdh | Create DB +| {}
| Password valid until 2060-12-31 00:00:00+08 |对应sql
select * from pg_roles
数据库查看
hrdb=> \l
List of databases
Name | Owner | Encoding | Collate | Ctype | ICU Locale | Locale Provider | Access privileges
-----------+----------+----------+-------------+-------------+------------+-----------------+-----------------------
hrdb | wdh | UTF8 | en_US.UTF-8 | en_US.UTF-8 | | libc |
postgres | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | | libc |
template0 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | | libc | =c/postgres +
| | | | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | | libc | =c/postgres +
| | | | | | | postgres=CTc/postgres对应sql
select * from pg_database;
模式查看
hrdb=> \dn
List of schemas
Name | Owner
--------+-------------------
hr | wdh
public | pg_database_owner
(2 rows)对应sql
select * from pg_namespace;
表结构查看
hrdb=> \d jobs;
Table "public.jobs"
Column | Type | Collation | Nullable | Default
------------+-----------------------+-----------+----------+---------
job_id | character varying(10) | | not null |
job_title | character varying(35) | | not null |
min_salary | integer | | |
max_salary | integer | | |
Indexes:
"job_id_pk" PRIMARY KEY, btree (job_id)
Referenced by:
TABLE "employees" CONSTRAINT "emp_job_fk" FOREIGN KEY (job_id) REFERENCES jobs(job_id)表空间查看
hrdb=> \db
List of tablespaces
Name | Owner | Location
------------+----------+----------
pg_default | postgres |
pg_global | postgres |到此这篇关于PostgreSQL psql 常用命令总结的文章就介绍到这了,更多相关PostgreSQL psql命令内容请搜索脚本之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持脚本之家！