标签:sel 相同 mysq car 排列 mysql 基础 des 字段 crud
增删改查=CRUD
增 insert
INSERT car VALUES(‘字符‘,‘name‘,‘brand‘,‘1990-02-02 00:00:00‘) 添加一条
INSERT car (`code`,`name`)VALUES(‘1‘,‘2‘) 单独添加
删除 DELETE 不常用
DELETE FROM car 删除表的所有信息
DELETE FROM car WHERE `Code`=‘字符‘ AND `Name`=‘name‘
DELETE FROM car WHERE `Code`=‘字符‘ OR `Name`=‘name‘
前台的删除 数据库中不删 用isdelect标记
改 UPDATE
UPDATE car SET pic=‘1‘ 所有的pic字段变为1
UPDATE car SET pic=‘1‘ WHERE ??=??
查 SELECT
SELECT * FROM car
SELECT Code,Name FROM car WHERE Code=‘c001‘
SELECT * FROM car WHERE Name LIKE ‘%A6L%‘
SELECT * FROM car ORDER BY Exhaust DESC 从大到下
SELECT * FROM car ORDER BY Exhaust ASC ,Price ASC 从小到大 如果Exhaust相同 Price排列从小到
标签:sel 相同 mysq car 排列 mysql 基础 des 字段 crud
原文地址:http://www.cnblogs.com/yuyu99/p/6368110.html