There are several types of relationships between tables, but probably the most common is the one-to-many relationship, which is often written as 1:N. This kind of relationship means that one row in a table (usually called the parent table) can have a relationship with many rows in another...
类似于 "one-to-many" 的短语,可翻译成 德文 one-to-many relationship 1:n-Beziehung 添加示例 在上下文、翻译记忆库中将“one-to-many"翻译成 德文 变形 干 The Category and Item entities (can) have a one-to-many association to the CategorizedItem entity, a collection. Die Entities und ...
One-to-one relationships are not a common feature of ER models. There are situations when such a relationship is valid and necessary. A one-to-one relationship is more likely to be valid in a snapshot situation. If the database has to record the situation at a specific point in time, ...
自然在这个文件里面会有表中相应的字段的名字的映射,这些就很好解决了,但是要有外键关联的话,就要添加many-to-one和one-to-many了,刚开始的时候小编也是模棱两可,所以通过博客来总结一下。 二、说说ER图中的一对多和多对一 说到数据库的设计就不可避免的使用ER图了,关于ER图小编粗略的向大家讲解一下。请看下...
This bug has to be reopened. or at-least notify in the mysql workbench when there such case. Everyone above have said everything that affects the developer; as for me it's very confusing to reverse engineer a database with a one-to-one relationship and see a one to many on the er-...
aThis duty time is urgent, the content is complex 这义务时间是迫切的,内容是复杂的[translate] aThe task is urgent, complex content 任务是迫切,复杂内容[translate] aAccording to the relationship, one achieves the following 根据关系,你达到以下[translate]...
Please defer to his suggestion to do. [translate] aSpecifying a Crinkly Domain results in a part composed of all the elements of the mesh that intersect the quadric tool. 指定一个折皱多的领域结果在零件相交二次的工具的组成由滤网的所有元素。 [translate] arelationship between a number of ...
developintoanotherShanghai because the Mainland is working on the creation of more Shanghais currently. Hong Kong should give full play to the advantageof"onecountry, two systems" and fosteramutually dependentandcomplementary kind of close relationship with the Mainland, make use of ...
I was too wrapped up in work to notice the stagnation in our relationship. We were a few weeks away from a three day weekend. I thought it might be nice to get out of the city. Knowing Dory’s desire to stay away from others in public places, I suggested a quiet cabin in the ...
Old Jules, what would happen if all but 20 people suddenly vanished from the planet?If no two of them were located within 1000 miles of the nearest other they’d each learn to live with themselves pretty thoroughly. I’m a hermit anyway, and too many decades around the star to care muc...