postgres

Jun 07, 2016 pm 03:54 PM
database user connect default

postgres 连接数据库, 默认的用户和数据库是postgrespsql -U user -d dbname切换数据库,相当于mysql的use dbname\c dbname列举数据库,相当于mysql的show databases\l列举表,相当于mysql的show tables\dt查看表结构,相当于desc tblname,show columns from

postgres

连接数据库, 默认的用户和数据库是postgres
psql -U user -d dbname

切换数据库,相当于mysql的use dbname
\c dbname
列举数据库,相当于mysql的show databases
\l
列举表,相当于mysql的show tables
\dt
查看表结构,相当于desc tblname,show columns from tbname
\d tblname

\di 查看索引 

创建数据库: 
create database [数据库名]; 
删除数据库: 
drop database [数据库名];  
*重命名一个表: 
alter table [表名A] rename to [表名B]; 
*删除一个表: 
drop table [表名]; 
Copy after login
ps aux | grep postgres
Copy after login
psql postgres
Copy after login
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