postgresql数据库基础

创建只读账号

1.1以初始化账号登入

[[email protected] ~]# psql -U postgres

1.2创建用户

postgres=# create role develop with login password ‘123456‘;

CREATE ROLE

postgres=# select usename from pg_user;

usename

----------

postgres

test

develop

(3 rows)

1.3切换数据库

\c current_product

1.4赋予只读权限

current_product=# grant select on all tables in schema public to develop;

GRANT

1.5切换到develop用户

current_product=# \c - develop

You are now connected to database "current_product" as user "develop".

1.6检测是否拥有只读权限

current_product=> select * from test;

id

----

(0 rows)