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  • Postgres和MySQL创建用户并授予db权限

    Postgresql和MySQL还是有很多不同的。就比如授权来说。当下有个业务场景,我们的报表数据库需要根据业务划分不同的db,然后创建对应的user。

    如果是MySQL, 可以这样做

    mysql> create database mydb;
    mysql> create user a_user identified by 'ThePassword'
        -> ;
    Query OK, 0 rows affected (0.04 sec)
    
    mysql> grant all privileges on mydb.* to a_user@'%';
    Query OK, 0 rows affected (0.02 sec)
    
    mysql> flush privileges;
    Query OK, 0 rows affected (0.01 sec)
    

    对于Postgres9.0以上

    创建一个用户etl_user,允许登陆,永不过期

    create role etl_user login password 'ThePassowrd' valid until 'infinity';
    

    将db权限授予user

    grant all privileges on database mydb to etl_user ;
    

    或者,分别授权

    GRANT CONNECT ON DATABASE mydb TO etl_user;
    GRANT USAGE ON SCHEMA public TO etl_user;
    GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO etl_user;
    GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public TO etl_user;
    

    这时候,如果你要删除这个role,则必须先要删除关联的privileges

    REVOKE CONNECT ON DATABASE mydb FROM etl_user;
    REVOKE ALL PRIVILEGES ON ALL TABLES IN SCHEMA public FROM etl_user;
    REVOKE ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public FROM etl_user;
    REVOKE ALL PRIVILEGES ON ALL FUNCTIONS IN SCHEMA public FROM etl_user;
    DROP USER etl_user;
    
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  • 原文地址:https://www.cnblogs.com/woshimrf/p/postgres-grant-user-to-db.html
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