标签：pwd with ase data x86 bash The database style
sudo su - postgres
-bash-4.2$ pwd /var/lib/pgsql
查看并创建新的数据库mytestdb
-bash-4.2$ psql -l List of databases Name | Owner | Encoding | Collate | Ctype | Access privileges -----------+----------+----------+-------------+-------------+----------------------- postgres | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | template0 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres + | | | | | postgres=CTc/postgres template1 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres + | | | | | postgres=CTc/postgres (3 rows)
-bash-4.2$ createdb mytestdb -bash-4.2$ psql -l List of databases Name | Owner | Encoding | Collate | Ctype | Access privileges -----------+----------+----------+-------------+-------------+----------------------- mytestdb | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | postgres | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | template0 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres + | | | | | postgres=CTc/postgres template1 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres + | | | | | postgres=CTc/postgres (4 rows)
进入mytestdb
-bash-4.2$ psql mytestdb psql (12.4) Type "help" for help. mytestdb=#
查看help
mytestdb=# help You are using psql, the command-line interface to PostgreSQL. Type: \copyright for distribution terms \h for help with SQL commands \? for help with psql commands \g or terminate with semicolon to execute query \q to quit mytestdb=#
查看有哪些数据库
mytestdb=# \l List of databases Name | Owner | Encoding | Collate | Ctype | Access privileges -----------+----------+----------+-------------+-------------+----------------------- mytestdb | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | postgres | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | template0 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres + | | | | | postgres=CTc/postgres template1 | postgres | UTF8 | en_US.UTF-8 | en_US.UTF-8 | =c/postgres + | | | | | postgres=CTc/postgres (4 rows)
查看时间
mytestdb=# select now(); now ------------------------------- 2020-09-06 21:37:06.656552+08 (1 row) mytestdb=#
查看版本
mytestdb=# select version(); version --------------------------------------------------------------------------------------------------------- PostgreSQL 12.4 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39), 64-bit (1 row) mytestdb=#
标签：pwd with ase data x86 bash The database style
原文地址：https://www.cnblogs.com/faberbeta/p/13623865.html
