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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

Uncategorized

1. 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 2 of 25

2. Data Manipulation Language enables users to?

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Question 3 of 25

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

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Question 4 of 25

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

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Question 5 of 25

5. Which of the following is a Data Model?

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Question 6 of 25

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

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Question 7 of 25

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

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Question 8 of 25

8. 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 9 of 25

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

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Question 10 of 25

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

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

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Question 13 of 25

13. In an Entity-Relationship Diagram Rectangles represents?

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Question 14 of 25

14. A relational database consists of a collection of?

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Question 15 of 25

15. Which of the following is Database Language?

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

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Question 18 of 25

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

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Question 19 of 25

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

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Question 20 of 25

20. A Database Management System (DBMS) is?

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Question 21 of 25

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

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Question 22 of 25

22. Which of the following is not an Schema?

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Question 23 of 25

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

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

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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