abstract：//新增INSERT `user` VALUES (null,'杨康',0,67,'yk@php.com',sha1(123456),1,1550396653);//修改UPDATE `user` SET `name` = '洪七公' WHERE id = 4//查找SELECT * FROM `user`WHERE id = 4//删除DELETE
//新增
INSERT `user` VALUES (null,'杨康',0,67,'yk@php.com',sha1(123456),1,1550396653);
//修改
UPDATE `user` SET `name` = '洪七公' WHERE id = 4
//查找
SELECT * FROM `user`WHERE id = 4
//删除
DELETE FROM `user` WHERE id = 6
Correcting teacher：查无此人Correction time：2019-02-18 09:12:57
Teacher's summary：增删查改是学习编程的基础，要多练习，特别是查询。完成的不错，继续加油。
