Topic: 【EJB】复合Primary Key的问题 |
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1.【EJB】复合Primary Key的问题 | Copy to clipboard |
Posted by: maplej Posted on: 2004-05-13 04:05 比如在Oracle中的Table有Col1、Col2、Col3,一共3列。数据库表的Primary Key定义为Col1+Col3,那么在EJB中,Primary Key怎么表现呢?CMP的Key可以绑定这样的组合吗? |
2.Re:【EJB】复合Primary Key的问题 [Re: maplej] | Copy to clipboard |
Posted by: stemart Posted on: 2004-05-14 12:31 建一个view,pk是col1+col3 |
3.Re:【EJB】复合Primary Key的问题 [Re: maplej] | Copy to clipboard |
Posted by: slacker Posted on: 2004-05-15 10:54 Yes, using combination key. You can check EJB2.0 specification at item 10.8.2. slacker. |
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