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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。如有错误或未考虑完全的地方,望不吝赐教。
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富贵资源网 Design By www.hznty.com
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