abstract：改 UPDATE `user` SET `id` = 4 WHERE `id` = 2 增 INSERT INTO `user` VALUES('','','','') 刪 DELETE FROM
改
UPDATE `user` SET `id` = 4 WHERE `id` = 2
增
INSERT INTO `user` VALUES('','','','')
刪
DELETE FROM `user`WHERE `id` = 123
查
SELECT `name`AS ALIVE FROM `user` where `status`=1;
Correcting teacher：韋小寶Correction time：2018-12-10 11:30:50
Teacher's summary：你這就太簡(jiǎn)潔了??！下次記得要附上案例才可以哦！課后多多練習(xí)！