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求教mysql触发器字段生成流水号

WBOY
WBOYOriginal
2016-06-06 09:39:43974browse

mysql触发器

MySql主键流水号要求8位日期(20150725)+4位顺序号(0001),自增不重复

主键流水号用varchar吗?int好像插入不了12位。

求表结构和触发器的演示,谢谢!

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