foreign key信息详情

foreign key发音

意思翻译

外部键

相似词语短语

foreign───adj.外国的;外交的;异质的;不相关的

foreign visitors───外国游客;外国客户

Key───n.钥匙;关键,密钥;(键盘乐器或电脑键盘的)键;调,声调,色调;答案;图例;扳手;销子,楔,栓;翼果;板条间首层灰泥;(篮球)罚球区;低岛,礁;adj.关键的,主要的;n.(Key)(美)基(人名);vt.键入,用键盘输入;用别针等固定;使与……符合或关联;使……与……共处,相安无事;用钥匙将汽车表面划坏;将(表面)弄粗糙;给(广告)加识别码;成为获得……的关键

foreign time───外国时间

foreign nationals───外籍人士;外国侨民

foreign country───外国;异国

foreign word───外来词

foreign officers───外国军官

foreign minister───n.外交部长

双语使用场景

Cross-column analysis for foreign key discovery.───发现外键的跨列分析。

All DOC_IDs are unique to meet the foreign key constraints.───所有DOC_ID都是惟一的,以满足外键约束。

Non-identifying optional foreign key relationship.───非标识可选的外键关系。

View the foreign key attributes of a relationship if you want to see which columns participate in the foreign key side of a relationship.───如果您要查看哪些资料行参与关联性的外部索引键端,可检视关联性的外部索引键属性。

The employee table might have a foreign key for the office table that indicates which city the employee's office is in.───雇员表中可能有一个办事处表的外键,显示雇员工作的办事处位于哪座城市。

I create a separate foreign_key_* column for every element that might be a parent of the XML element to which a table corresponds.───我为每个可能是与表所对应的XML元素父代的元素创建了单独的foreign_key_*列。

You cannot change the length of a column defined with a PRIMARY KEY or FOREIGN KEY constraint.───无法更改用PRIMARYKEY或FOREIGNKEY约束定义的列的长度。

Select the foreign key column and the primary key table and column with which you want form a relationship.───选择外键列以及要与之建立关系的主键表和列。

The above access plan is for an insert into the child table of a foreign key relationship.───上述访问计划是针对将行插入到拥有外键关系的子表的insert的。

英语使用场景