创建表(主键、唯一键、约束、默认值) use TestDBgocreate table student( sno int primary key, sname char(10) not null, gender char(2), age tinyint, smobile char(11), semail varchar(50))--标识主键格式constraint PK_sno ... mysql 2024-01-21 44 点赞 0 评论 66 浏览