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工作学习 / IT技术讨论 / EJB. What's the difference between compound primary key and single-field key? Why cannot the primary keys be primitive types in single-field key? I read some books but can't get the answer. thank you!
-howru(How are you?);
2001-3-9
(#31864@0)
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Here you go...
-jabber(jabber);
2001-3-11
{682}
(#32164@0)