Database Management System (DBMS) Quiz Online Test Mcqs

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The Database Management System (DBMS) is a software designed for handling the tasks like storage, recovery and update of data in a computer system. Some famous DBMS are Oracle, Sybase, Microsoft SQL Server and MySQL. Attempt the following quiz in order to learn more about its usage, benefits and important functions.

Database Management System (DBMS) Quiz Online Test Mcqs Questions with Answers Objective Type

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Question 1 of 25

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1. The_____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple?
 
 
 
 

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Question 2 of 25

2. A Database Management System (DBMS) is?
 
 
 
 

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Question 3 of 25

3. Which of the following is not a level of data abstraction?
 
 
 
 

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Question 4 of 25

4. Student(ID, name, dept name, tot_cred)
In this query which attribute form the primary key?
 
 
 
 

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Question 5 of 25

5. Using which language can a user request information from a database ?
 
 
 
 

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Question 6 of 25

6. A domain is atomic if elements of the domain are considered to be ____________ units?
 
 
 
 

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Question 7 of 25

7. The term _______ is used to refer to a row?
 
 
 
 

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Question 8 of 25

8. Which of the following is Database Language?
 
 
 
 

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Question 9 of 25

9. Which one of the following is a procedural language ?
 
 
 
 

Question 9 of 25

Question 10 of 25

10. Data Manipulation Language enables users to?
 
 
 
 

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Question 11 of 25

11. Disadvantages of File systems to store data is?
 
 
 
 

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Question 12 of 25

12. In an Entity-Relationship Diagram Rectangles represents?
 
 
 
 

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Question 13 of 25

13. The result which operation contains all pairs of tuples from the two relations, regardless of whether their attribute values match?
 
 
 
 

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Question 14 of 25

14. Which of the following in not a function of DBA?
 
 
 
 

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Question 15 of 25

15. A relational database consists of a collection of?
 
 
 
 

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Question 16 of 25

16. The tuples of the relations can be of ________ order?
 
 
 
 

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Question 17 of 25

17. Course(course_id,sec_id,semester)
Here the course_id,sec_id and semester are __________ and course is a _________ ?
 
 
 
 

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Question 18 of 25

18. Which of the following is a Data Model?
 
 
 
 

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Question 19 of 25

19. Which of the following is not an Schema?
 
 
 
 

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Question 20 of 25

20. For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute?
 
 
 
 

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Question 21 of 25

21. Which of the following is not a Storage Manager Component?
 
 
 
 

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Question 22 of 25

22. Database __________ , which is the logical design of the database, and the database _______,which is a snapshot of the data in the database at a given instant in time?
 
 
 
 

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Question 23 of 25

23. A ________ in a table represents a relationship among a set of values?
 
 
 
 

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Question 24 of 25

24. Department (dept name, building, budget) and Employee (employee_id , name, dept name,salary)
Here the dept_name attribute appears in both the relations .Here using common attributes in relation schema is one way of relating ___________ relations?
 
 
 
 

Question 24 of 25

Question 25 of 25

25. He term attribute refers to a ___________ of a table?
 
 
 
 

Question 25 of 25


 

 

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