A.Primary Key NOT NULLB.Primary KeyC.Foreign KeyD.Candidate Key
A.Primary Key NOT NULL
B.Primary Key
C.Foreign Key
D.Candidate Key
Vocabulary and StructureIt won"t be long before s 英语 2020-05-14 …
At the beginning of this term,we __a warm welcome 英语 2020-05-16 …
Many Chinese students think science subject are — 英语 2020-05-16 …
In order to find_______better job,he decided to s 英语 2020-05-17 …
在雇员信息表关系EMP中,哪个属性是外键(foreign key)?A.雇员号B.雇员名C.部门号D 计算机类考试 2020-05-23 …
在雇员信息表关系EMP中,哪些属性是外键(foreign key)?()A.雇员号B.雇员名C.部门 计算机类考试 2020-05-23 …
Why did Isaksen advise people not to have foreign 学历类考试 2020-05-24 …
Why did Isaksen advise people not to have foreign 学历类考试 2020-05-25 …
A.Primary Key NOTNULLB.Primary KeyC.Foreign KeyD.C 计算机类考试 2020-05-26 …
A.PRIMARY KEYB.FOREIGN KEYC.FOREIGN KEY (ORDERID) 计算机类考试 2020-05-26 …