[7.1.1 用户账户管理](7.1.1%E7%94%A8%E6%88%B7%E8%B4%A6%E6%88%B7%E7%AE%A1%E7%90%86.md) [7.1.2 集群管理](7.1.2%E9%9B%86%E7%BE%A4%E7%AE%A1%E7%90%86.md) [7.1.3 DDL](7.1.3DDL.md) [7.1.4 DML](7.1.4DML.md) [7.1.5 辅助命令](7.1.5%E8%BE%85%E5%8A%A9%E5%91%BD%E4%BB%A4.md)