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PHP如何操作一次数据库，让某个表一个字段递减一次

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Release： 2016-06-23 13:39:07
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表名：ces 

id cid name    cun1   2  测试    啦啦啦2   2  测试1   啦啦啦3   2  测试2   啦啦啦
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表名：cuns 
cid title current 2   测试    3
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比如我用PHP操作删除ces表id为1的字段，删除后，对cuns表中cid为2的字段的current字段递减


回复讨论(解决方案)

触发器，删除时候执行sql代码，具体怎么写百度下 很多，主要要考虑性能

楼上是一种,
还有一种你同时更新cuns表不就行了?
看你有什么要求

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PHP如何操作一次数据库，让某个表一个字段递减一次
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