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

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Question 2 of 25

2. Data Manipulation Language enables users to?
 
 
 
 

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Question 3 of 25

3. Which of the following is not an Schema?
 
 
 
 

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Question 4 of 25

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

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Question 5 of 25

5. 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?
 
 
 
 

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Question 6 of 25

6. A Database Management System (DBMS) is?
 
 
 
 

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Question 7 of 25

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

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Question 8 of 25

8. Disadvantages of File systems to store data is?
 
 
 
 

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Question 9 of 25

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

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Question 10 of 25

10. Which of the following is Database Language?
 
 
 
 

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Question 11 of 25

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

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Question 12 of 25

12. A relational database consists of a collection of?
 
 
 
 

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Question 13 of 25

13. 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 14 of 25

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

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Question 15 of 25

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

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Question 16 of 25

16. 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 17 of 25

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

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Question 18 of 25

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

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Question 19 of 25

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

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Question 20 of 25

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

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Question 21 of 25

21. 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 22 of 25

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

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Question 23 of 25

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

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Question 24 of 25

24. In an Entity-Relationship Diagram Rectangles represents?
 
 
 
 

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Question 25 of 25

25. Which of the following is a Data Model?
 
 
 
 

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