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hibernate初级 映射一对多关联关系
在域模型中,类之间最普遍的关系是关联关系,关联是有方向的,分为单向关联和双向关联,在关系数据库中,为了避免冗余,只存在many 方参照one方,所以关系数据库实际上面是多对一,一对一的单向关联,
在类和类之间各种关系中,多对一的单向关联和关系数据库的外键参照关系最匹配,下面一个简单例子来说明这些
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[转贴]国外一大二学生的小组作业
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Architecture Strategies for Catching the Long Tail (转)
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How to Learn Any Language 1
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在Grails中如何配置过滤器?我找不到web.xml!
突然发现找不到地方写过滤器配置,因为WEB-INF中没有web.xml文件!
使用grails war生成的war包中倒是有,看来是临时生成的!
现在我想配置自己的过滤器该往哪里写?!
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NetBeans6.5 M1 众多期待的特性一览表!
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