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多表联合查询草案

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Release： 2016-06-13 12:49:44
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多表联合查询方案
   现在我是做一个功能，就是要从所有的凭证里查询数据，这些凭证是销售凭证这些，一共有7个凭证，14个表。请问大家，是联合查询好，还是有其它更好的方案。


------解决方案--------------------
按查询需求创建若干视图
------解决方案--------------------
联合查询是数据库的基本用法, 不用太担心效率问题. 关键是你要建好合理的索引
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