原文:Hibernate @OneToMany relationship mapping
我试图设计某种用户关系,如“用户A”用户B”和“用户A想要成为用户B的朋友”。
原文:On delete set null in hibernate in @OneToMany
I have a Department entity which relations are as follows: Many departments can be in one parent department: @ManyToOne @JoinColumn(name = "ik_parent_department_id") private Department ...
原文:Hibernate: Mapping a one to many relationship on a legacy table that uses columns as rows for the one to many relationship
我正在就我无法改变的数据库编写一份表格。 该表列有用户联系清单,例如电子邮件、面板、tw等。 每个联系人都有一栏。 因此,表格看着......
原文:Building SQL query on a one-to-many relationship
I have a search page where I am trying to build a complex search condition on two tables which look something like: Users ID NAME 1 Paul 2 Remy ... Profiles FK_USERS_ID TOPIC ...
原文:Query a collection property with JDO in Google App Engine
我有两个班级的支付和支付。 付款可以有若干项。 任何付款项目都与发票有关。
原文:Django One-To-Many Models
以下模型描述一种脆弱性,以及互联网上指这种脆弱性的URLs。 认为每个危民盟都只谈1个弱点,许多危民盟将......
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