Database Management MCQ Class 12 Computer Science Unit 3 MCQs Question and Answers

Database Management MCQ Question Answers suitable for CUET 2026 from Class 12 Computer Science Unit 3

To score full marks in the CUET 2026 Computer Science exam, Practice Class 12 Computer Science Unit 3 Database Management MCQ Test any number of times free on our website. These questions have been created by our experts from the latest Class 12 Computer Science Syllabus and as per latest exam pattern. Multiple Choice Questions (MCQs) are a type of objective assessment in which a person is asked to choose one or more correct answers from a list of available options. An MCQ presents a question along with several possible answers. Most of the exams in India including the CUET exam conduct an online test to check your knowledge.

Class 12 Computer Science Unit 3 MCQs

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1. Which datatype can store unstructured data in a column?

a.NUMERIC

b.VARCHAR

c.CHAR

d.RAW

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2. A field which is ______ for each and every record is called Primary key.

a.Same

b.Common

c.None of the above

d.Unique

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3. ________ are the basic building blocks of a database.

a.Fields

b.Tables

c.Record

d.All of the above

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4. A database can have only one table.(T/F)

a.FALSE

b.TRUE

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5. Which of the following is not the advantage of database?

a.Sharing of Data

b.Reduce Data Redundancy

c.Data Security

d.Increase Data Inconsistency

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6. All the values in ________ are of same type.

a.Database

b.Table

c.Records

d.Fields

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7. Which of the following is not the date time data types?

a.Timestamp

b.Datestamp

c.Time

d.Date

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8. Duplication of data is called _________.

a.Inconsistency

b.Consistency

c.Foreign Key

d.Redundancy

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9. DBA stands for?

a.Database Administrator

b.Data Administrator

c.Database Administration

d.Data Administration

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10. SQL stands for _________________

a.Structured Query Language

b.None of the above

c.Structured Queue Language

d.Structured Query Lang

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11. The term "ODBC" stands for____

a.Oracle database connectivity

b.Object database connectivity

c.Oral database connectivity

d.Open database connectivity

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12. Which of the following will help to maintain unique record in the table?

a.Composite Key

b.Foreign Key

c.Alternate Key

d.Primary Key

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13. Pickling refers to

a.converting the structure to a csv filve

b.converting the structure to a file in text file

c.converting the structure to a byte stream before working to the file

d.converting the structure to a file in unicode

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14. Queries are commands that are used to define the structure and modify the data in a table.(T/F)

a.FALSE

b.TRUE

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15. Select “empname”, “salary” * 3 from emp;

a.give error

b.will increase the salary three times of all employees in table

c.display name and three times salary

d.None of the above

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16. Which of the following is suitable to act as a primary key in table student?

a.Name

b.Section

c.Rollno

d.Class

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17. We can ______ data in table.

a.modify

b.delete

c.insert

d.all of the above

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18. A record in table is also known as Attribute.(T/F)

a.FALSE

b.TRUE

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19. A Database Management System is a type of _________software.

a.It is a kind of general software

b.It is a type of system software

c.It is a kind of application software

d.Both A and C

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20. Which of the following clause return records in ascending order?

a.Where

b.Order By

c.Order Asc

d.Order Inc

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21. Which one of the following is a type of Data Manipulation Command?

a.All of the above

b.Create

c.Alter

d.Delete

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22. Which of the following clause return specific rows?

a.Specific

b.Order By

c.Having

d.Where

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23. Which command is used to modify data in a table?

a.select

b.update

c.modify

d.delete

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24. Which one of the following commands is used to delete the existing row in a table?

a.None of the above

b.Delete

c.Insert

d.Update

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25. Select “salary” from emp;

a.will display only salary column of table emp;

b.None of the above

c.will display all the records of table emp

d.will display only particular columns of table emp;

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26. The term "SQL" stands for

a.Server-side query language

b.Standard query language

c.Structured query language

d.Sequential query language

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27. A database is an organized collection of _______________.

a.Record

b.data

c.Attributes

d.None of the above

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28. Command to increase the salary of all employees by 15000.(table name emp and column name sal)

a.update set sal = sal + 15000;

b.update emp set sal = sal + 15000;

c.update emp set sal = 15000;

d.None of the above

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29. select * from Stud order by “Rollno” ASC;

a.display records in increasing order of roll number.

b.none of the above

c.display all the records of table.

d.both of the above

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30. Relationship can be created between

a.none of the above

b.two tables only

c.one table only

d.two or more tables

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31. _______ is the most common DML command.

a.All of the above

b.Select

c.Update

d.Delete

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32. In a relation database, every tuple divided into the fields are known as the______.

a.Relations

b.Domains

c.All of the above

d.Queries

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33. In primary key we can enter NULL values.(T/F)

a.TRUE

b.FALSE

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34. Rows of a relation are known as the _______.

a.All of the above

b.Entity

c.Degree

d.Tuples

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35. Which data type will be appropriate to store information as Salary, Fees, Price etc

a.Alphanumeric Data types

b.Numeric Data type

c.Binary Data types

d.Date Time

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36. In a table we can have only ______ primary key.

a.2

b.3

c.more than 3

d.1

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37. Duplicate values can be entered in primary key.(T/F)

a.TRUE

b.FALSE

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38. A key which is referring to the primary key of another table is called _______

a.First Primary Key

b.Foreign Key

c.Primary Key

d.Alternate Key

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To summarize, revising for free using our MCQs on Class 12 Computer Science Unit 3 Database Management is highly beneficial for scoring full marks on the CUET 2026 Computer Science exam. We provide a sophisticated online test platform tailored for unlimited practice through proficiently crafted questions built on the most recent syllabus and exam pattern. Practicing MCQs regularly will boost conceptual understanding as they are significant for objective assessments. Start practicing now to succeed in your CUET 2026 Computer Science exam!

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