大家都搜：
外部键
1、foreign visitors───外国游客；外国客户
2、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
3、foreign officers───外GuoJun官
4、foreign country───外国；异国
5、foreign nationals───外籍人士；外国侨民
6、foreign───adj.外国的；外交的；异质的；不相关的
7、foreign minister───n.WaiJiaoBu长
8、foreign time───外国时间
9、foreign word───外来词
1、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。
2、Non-identifying optional foreign key relationship.───非标识可选的外键关系。
3、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。
4、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。
5、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。
6、Cross-column analysis for foreign key discovery.───发现外键的跨列分析。
7、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ChaRu到拥有外键关系的子表的insert的。
8、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。
9、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。