


赋权示例:
GRANT SELECT ON mytable TO PUBLIC;
GRANT SELECT, UPDATE, INSERT ON mytable TO admin;
GRANT SELECT (col1), UPDATE (col1) ON mytable TO miriam_rw;
权限回收:
REVOKE ALL ON accounts FROM PUBLIC;
查看权限:
=> \dp mytable
本文介绍了数据库的权限分配和回收操作,包括GRANT和REVOKE命令的使用,以及如何查看对象的权限信息。通过实例展示了如何为不同用户和角色授予SELECT、UPDATE、INSERT等权限,并详细解释了权限回收的过程。



赋权示例:
GRANT SELECT ON mytable TO PUBLIC;
GRANT SELECT, UPDATE, INSERT ON mytable TO admin;
GRANT SELECT (col1), UPDATE (col1) ON mytable TO miriam_rw;
权限回收:
REVOKE ALL ON accounts FROM PUBLIC;
查看权限:
=> \dp mytable
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