Gyb_csdn的博客

http://blog.youkuaiyun.com/yaerfeng/article/details/6969649

School 1 – * Student 三种查询：select s from School s left join s.students student查询结果是School的List，但是students并没有加载，如果在session关闭后访问，将抛出Lazy..异常。from School s left join s.students student查询结果是School和Stude

原文地址:http://m33707.iteye.com/blog/829725Select <要查询的字段> From <Left 资料表> <Left | Right> [Outer] Join <Right 资料表> On <Join 规则> LEFT JOIN返回”left_table”中所有的行尽管在” right_table”中没有相匹配的数据。 RIGHT JOIN返回”right

hql语句不区分大小写，但是我们一般都小写from Customer as c where c,name =:name(as也可以省略)from Customer c where c,name =:name----------------------------------------------------------------------------------------------

------------------HQL----------------------------------------------------------{ Session session = getCurrentSession(); Query query = session.createQuery("from tableA as a where a.name=: name