A1: 要更改PostgreSQL用户的密码,可以使用以下命令: psql -U postgres -c "ALTER USER yourusername WITH PASSWORD 'newpassword';" 确保以具有超级用户权限的用户身份运行此命令,例如postgres用户。 Q2: 如何在psql中创建一个新的数据库? A2: 要在psql中创建一个新的数据库,可以使用以下命令: CREATE DATABASE n...
命令: ALTER USER 描述: 改变一个数据库用户 语法: ALTER USER name [ [ WITH ] option [ ... ] ] where option can be: CREATEDB | NOCREATEDB | CREATEUSER | NOCREATEUSER | [ ENCRYPTED | UNENCRYPTED ] PASSWORD 'password' | VALID UNTIL 'abstime' ALTER USER name RENAME TO newname ALTER U...
=> \c mydb myuser host.dom 6432 => \c service=foo => \c "host=localhost port=5432 dbname=mydb connect_timeout=10 sslmode=disable" => \c postgresql://tom@localhost/mydb?application_name=myapp \C [ title ] 设置查询结果的任何表的标题,或者重置这类标题。这个命令等效于\pset title tit...
使用current_user函数: 在psql命令行中,输入以下SQL查询: sql SELECT current_user; 或者更简洁地: sql SELECT user; 这将返回当前连接用户的用户名。 使用\conninfo命令: 在psql命令行中,输入\conninfo并回车,这将显示当前连接的详细信息,包括用户名、数据库名、主机名、端口号等。 shell \conninfo 输出示例...
\deu[+] [PATTERN] list user mappings \dew[+] [PATTERN] list foreign-data wrappers \df[anptw][S+] [PATRN] list [only agg/normal/procedures/trigger/window] functions \dF[+] [PATTERN] list text search configurations \dFd[+] [PATTERN] list text search dictionaries ...
\des[+] [PATTERN] list foreign servers \deu[+] [PATTERN] list user mappings \dew[+] [PATTERN] list foreign-data wrappers \df[antw][S+] [PATRN] list [only agg/normal/trigger/window] functions \dF[+] [PATTERN] list text search configurations ...
[tony@sqlhost ~]> psql postgresql://192.168.56.104:5432/hrdb?user=tony Password for user tony: psql (12.4) Type "help" for help. hrdb=> 查看当前连接信息 成功建立连接之后,可以使用元命令\conninfo查看当前连接信息: hrdb=> \conninfo You are connected to database "hrdb" as user "tony" on ...
postgres=# CREATE USER sandy; //默认具有LOGIN属性 CREATE ROLE # 查看角色 select * from pg_roles; # 查看用户 select * from pg_user; postgres=# \du List of roles Role name | Attributes | Member of ---+---+--- david | Cannot login | {} postgres | Superuser, Create role, Create...
postgres=# \du List of roles Role name | Attributes | Member of ---+---+--- audit_admin | No inheritance | {} mls_admin | No inheritance | {} tbase | Superuser, Create role, Create DB, Replication, Bypass RLS | {} tbase01_admin | Superuser, Create role, Create DB | {} ...
\deu[+] [PATTERN] list user mappings \dew[+] [PATTERN] list foreign-data wrappers \df[anptw][S+] [FUNCPTRN [TYPEPTRN ...]] list [only agg/normal/procedure/trigger/window] functions \dF[+] [PATTERN] list text search configurations ...