# 案例1,修改beauty表中姓赵的女神的电话为16666666666
UPDATE beauty SET phone ='1666666666'
WHERE NAME LIKE '赵%';
#修改多表的记录
#案例1 修改张无忌的女朋友的手机号为114
UPDATE boys bo
INNER JOIN beauty b ON bo.`id` =b.`boyfriend_id`
SET b.`phone` ='114'
WHERE bo.`boyName` ='张无忌'
# 单表的删除
#案例1:删除手机号以9结尾的女神信息
DELETE FROM beauty WHERE phone LIKE '%9';
#案例2:多表的删除
#案例2:删除张无忌的女朋友信息
DELETE b
FROM beauty b
INNER JOIN boys bo NO b.`boyfriend_id`= bo.`id`
WHERE bo.`boyName` = '张无忌';