Database Management System Test 1 Online MCQs With Answers
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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. mark reviewEvery 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:

Question 1 of 15

2. mark reviewIf attributes A and B determine attribute C, then it is also true that:

Question 2 of 15

3. mark reviewThe following are functions of a DBMS except __________

Question 3 of 15

4. mark reviewYou 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 4 of 15

5. mark reviewWhich of the following is not a restriction for a table to be a relation?

Question 5 of 15

6. mark reviewWhen 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).

Question 6 of 15

7. mark reviewWhich of the following products was the first to implement true relational algebra in a PC DBMS?

Question 7 of 15

8. mark reviewA relation in this form is free of all modification anomalies:

Question 8 of 15

9. mark reviewIn the relational model, relationships between relations or tables are created by using:

Question 9 of 15

10. mark reviewWhich 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 10 of 15

11. mark reviewA key:

Question 11 of 15

12. mark reviewA relation is in this form if it is in BCNF and has no multivalued dependencies:

Question 12 of 15

13. mark reviewWhich of the following refers to something that can be identified in the users’ work environment, something that the users want to track?

Question 13 of 15

14. mark reviewWhich of the following is a group of one or more attributes that uniquely identifies a row?

Question 14 of 15

15. mark reviewThe primary key is selected form the:

Question 15 of 15


 

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