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Database Management System (DBMS) Quiz Online Test Mcqs

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. A Database Management System (DBMS) is?

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Question 3 of 25

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

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Question 4 of 25

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

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Question 5 of 25

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

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Question 6 of 25

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

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Question 9 of 25

9. In an Entity-Relationship Diagram Rectangles represents?

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Question 10 of 25

10. A relational database consists of a collection of?

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Question 11 of 25

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

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Question 12 of 25

12. Disadvantages of File systems to store data is?

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

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Question 15 of 25

15. 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 16 of 25

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

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Question 17 of 25

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

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Question 18 of 25

18. Which of the following is not an Schema?

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Question 19 of 25

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

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Question 20 of 25

20. Which of the following is a Data Model?

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Question 21 of 25

21. Which of the following is Database Language?

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Question 22 of 25

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

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Question 23 of 25

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

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Question 24 of 25

24. Data Manipulation Language enables users to?

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Question 25 of 25

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

Question 25 of 25


 

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One comment

  1. fahim
    March 4, 2017 at 10:06 am

    good mcqs

    Reply

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