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请教mysql存储过程分割字符串做关联

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Release: 2016-06-06 09:42:21
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mysqlsql存储过程数据库

假如有两个表
表一:
id pid
1 pid1,pid2
2 pid2,pid5,pid6
3 pid3
4 pid4,pid1
......

表二:
pid pname
pid1 aaa
pid2 bbb
pid3 ccc
pid4 ddd
pid5 eee
pid6 ggg
......

假如我想要通过存储过程计算表1中包含pname=ddd的记录的行数,按这样的表结构,请教是否可以实现?怎么实现呢?

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