insert:添加
-- 由于主键自增我们可以省略(如果不写表的字段,他就会一一匹配)
-- 一般写插入语句,我们一定要数据和字段一一对应
INSERT INTO `student`(`name`,`pwd`,`sex`,`birthday`,`gradeid`,`address`,`email`)
VALUES ('小红','123','男','2000-01-01','1','重庆','111')
INSERT INTO `student`(`name`,`pwd`,`sex`,`birthday`,`gradeid`,`address`,`email`)
VALUES ('小杨','122','男','1999-11-23','2','贵州','222')
INSERT INTO `student`(`name`,`pwd`,`sex`,`birthday`,`gradeid`,`address`,`email`)
VALUES ('小猪','133','女','1999-12-13','3','遵义','333')
INSERT INTO `student`(`name`,`pwd`,`sex`,`birthday`,`gradeid`,`address`,`email`)
VALUES ('小李','144','男','2000-01-14','4','遵义','444')