Database Management System Test 1 Online MCQs

1. A recursive relationship is a relationship between an entity and __________

2. In the relational model, relationships between relations or tables are created by using:

3. Which of the following is not a restriction for a table to be a relation?

4. When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n).

5. A key:

6. Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that:

7. If attributes A and B determine attribute C, then it is also true that:

8. An Enterprise Resource Planning application is an example of a (n) ___________.

9. Table is synonymous with the term:

10. A DBMS that combines a DMBS and an application generator is ___________

11. An attribute is a(n):

12. The different classes of relations created by the technique for preventing modification anomalies are called:

13. Which of the following indicates the maximum number of entities that can be involved in a relationship?

14. If attribute A determines both attributes B and C, then it is also true that:

15. A tuple is a(n):