foreign key table的意思|示意
外键表
foreign key table的网络常见释义
外部索引键数据表 ... foreign image 非原生的影像 foreign key table 外部索引键数据表 foreign key 外 键 码 ...
外键表 ...able)"下拉框中选择"student"表,在其下的字段选择框中选择"sno",在"外键表(Foreign key table)"下拉框中选择"sc"表,在其下的字段选择框中选择"sno",单击关闭即可。
外 ... 外部应用程序 foreign image 外 键 码 foreign key table 外部索引键数据表 form ...
foreign key table相关短语
1、 foreign-key E table 外键表
foreign key table相关例句
You also need to add a foreign key 'user_id' to the DOCUMENTS table so you know the user who uploaded a particular document.
另外还需要添加一个外键' user_id '到documents表中,以便知道哪个用户上传某个特定的文档。
A one-to-many association is specifically mapped to a foreign key in the "many" table.
一个一对多关联被映射到“ many ”表的一个外键。
In general, that data would live in a child table with a foreign key relation to the table contacts.
通常,那些数据应该存放在一张子表中,子表的外部关键字关联到表contacts。
ON DELETE CASCADE—When a record is deleted from the parent table, all records in the child table with matching foreign key values are also deleted.
ON DELETE CASCADE — 当一条记录从父表中删除时,子表中的所有记录以及匹配的外键值都全部被删除。
In the case of one-to-many relations, your transformation creates a foreign key in every "many" table.
在一对多关联的情况下,你的转换在所有“ many ”表中建立了一个外键。
For foreign key creation, another table with a primary key with a compatible data type is required.
对于创建外键,则需要另外一个具有主键的表,且该主键具有兼容的数据类型。