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Database Management System Test 1 Online MCQs

Test Name Database Management System Test 1
Subject Computer
Test Type MCQs
Total Question 15
Total Marks 30
Total Time 15 Mints
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Database Management System Test 1 Online MCQs

Computer

1. A tuple is a(n):

Question 1 of 15

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

Question 2 of 15

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

Question 3 of 15

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

Question 4 of 15

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

Question 5 of 15

6. Which of the following products was the first to implement true relational algebra in a PC DBMS?

Question 6 of 15

7. The primary key is selected form the:

Question 7 of 15

8. You have run an SQL statement that asked the DBMS to display data in a table named USER_TABLES. The results include columns of data labeled “Table Name,” “Number of Columns” and “Primary Key.” You are looking at ________

Question 8 of 15

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

Question 9 of 15

10. Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM?

Question 10 of 15

11. In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) _________

Question 11 of 15

12. A relation is considered a:

Question 12 of 15

13. SQL stands for ___________

Question 13 of 15

14. Row is synonymous with the term:

Question 14 of 15

15. Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier?

Question 15 of 15


 

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