在核心数据中,我有一个简单的两个实体之间有许多关系:团队 < - - - - - - -\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

我有这个领域:

我有一个基本问题,即执行实体法,首先是一至多条。 我有两种模式:文章和评论。

错误

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”。

我只是在最近才了解到“一对一”的概念,因此,如果这一概念模糊不清或偏离了背景本身,我就不必这样做。

我有一个简单的表格,打算更新一张纸张中的项目清单。

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 ...

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......

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 ...

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。

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......