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PostgreSQL登录1、可通过客户端pgAdmin III直接登录 2、可通过命令行 命令:psql -h 10.10.10.10 -U user -d postgres -p 5570 -h:数据库IP -U:登录用户 -d:登录的数据库 -p:登录端口 方法:进入postgreSQL的客户端安装目录(我的安装目录:C:\Program Files\PostgreSQL\9.4\bin),执行psql命令,其中\q表示退出数据库 修改密码直接执行以下sql即可修改密码 alter user pguser with password 'new password'; 补充:PostgreSQL修改密码认证方式 我就废话不多说了,大家还是直接看代码吧~ [postgres@postgres_vm ~]$ psql psql (12.4) Type "help" for help. postgres=# show password_encryption ; password_encryption --------------------- md5 (1 row) postgres=# select * from pg_authid where rolname='hr'; oid | rolname | rolsuper | rolinherit | rolcreaterole | rolcreatedb | rolcanlogin | rolreplication | rolbypassrls | rolconnlimit | r olpassword | rolvaliduntil -------+---------+----------+------------+---------------+-------------+-------------+----------------+--------------+--------------+-------------- -----------------------+--------------- 16386 | hr | f | t | f | f | t | f | f | -1 | md566ad2e6b6f adaa9fd11bfcab906e84c8 | (1 row) postgres=# set password_encryption to "scram-sha-256"; SET postgres=# select * from pg_authid where rolname='hr'; oid | rolname | rolsuper | rolinherit | rolcreaterole | rolcreatedb | rolcanlogin | rolreplication | rolbypassrls | rolconnlimit | r olpassword | rolvaliduntil -------+---------+----------+------------+---------------+-------------+-------------+----------------+--------------+--------------+-------------- -----------------------+--------------- 16386 | hr | f | t | f | f | t | f | f | -1 | md566ad2e6b6f adaa9fd11bfcab906e84c8 | (1 row) postgres=# alter user hr with password 'Abcd1234'; ALTER ROLE postgres=# select * from pg_authid where rolname='hr'; oid | rolname | rolsuper | rolinherit | rolcreaterole | rolcreatedb | rolcanlogin | rolreplication | rolbypassrls | rolconnlimit | rolpassword | rolvaliduntil -------+---------+----------+------------+---------------+-------------+-------------+----------------+--------------+--------------+-------------- -------------------------------------------------------------------------------------------------------------------------+--------------- 16386 | hr | f | t | f | f | t | f | f | -1 | SCRAM-SHA-256 $4096:dF5WnZnKGXen0mtqZeWldA==$2K8sshkEarHox93X5hmIjKSPxHecXDkjZ56erjIf+dU=:FBbY3+22nVXF83LbfK6DHBK2QpakJA/0RRI3oXs4cdI= | (1 row) postgres=# 以上为个人经验,希望能给大家一个参考,也希望大家多多支持极客世界。如有错误或未考虑完全的地方,望不吝赐教。 |
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