A primary key in another relation is called a:
A、 Mega-primary key
B、 Composite key
C、 Logical key
D、 Foreign key
发布时间：2025-03-04 01:38:36
请在 下方输入 要搜索的题目：
推荐参考答案 (
由 快搜搜题库 官方老师解答 )
答案：D
相关试题
- 1.A primary key in another relation is called a:
- 2.If A is the primary key of relation R(A,B,C), then AC is：
- 3.primary key
- 4.primary key
- 5.The primary goal of the OD method called teambuilding is to ________.
- 6.Empirical research is also called primary research.
- 7.Empirical research is also called primary research.
- 8.The process by which people act and react in relation to others is called
- 9.A. foreign key B. check C. rule D. primary key
- 10.【单选题】Set operation of relation S and relation R.
