Class 10 IT Concepts of Database Management System MCQ Question Answer

Class 10 IT Concepts of Database Management System MCQ Question Answer

Q1. A database is an organized collection of ______________.

a. data

b. Attributes

c. Record

d. None of the above

Show Answer a. data
 

Q2. Which of the following software is appropriate to store data about school students?

a. MS-Access

b. Writer

c. Calc

d. Impress

Show Answer Ans- a. MS-Access
 

Q3. Which of the following is not a database programs?

a. MySQL

b. Oracle

c. Writer

d. OObase

Show Answer Ans- c. Writer
 

Q4. __________ store data in Single table.

a. Flat File

b. Relational

c. Single File

d. One File

Show Answer Ans- a. Flat File
 

Q5. ___________ are dedicated computers that hold the actual databases and run only DBMS and related Software.

a. Main Server

b. Web Server

c. Database Server

d. Non Database Server

Show Answer Ans- c. Database Server
 

Q6. GUI act as front end and database server act as _____

a. Container

b. Back End

c. End

d. None of the above

Show Answer Ans- b. Back End
 

Q7. Duplication of data is called _________.

a. Inconsistency

b. Consistency

c. Redundancy

d. Foreign Key

Show Answer Ans- c. Redundancy
 

Q8. Which of the following is not the advantage of database?

a. Sharing of Data

b. Reduce Data Redundancy

c. Increase Data Inconsistency

d. Data Security

Show Answer Ans- c. Increase Data Inconsistency
 

Q9. Which of the following will help to maintain unique record in the table?

a. Foreign Key

b. Primary Key

c. Composite Key

d. Alternate Key

Show Answer Ans- b. Primary Key
 

Q10. Which of the following field of table “Book” can act as primary key?

a. Book_number

b. Subject

c. price

d. Author_name

Show Answer Ans- a. Book_number
 

Q11. When primary key is made up of two or more columns then it is called _______primary key.

a. Mixed

b. Reference

c. Composite

d. Compost

Show Answer Ans- c. Composite
 

Q12. A key which is referring to the primary key of another table is called _______

a. Alternate Key

b. Primary Key

c. First Primary Key

d. Foreign Key

Show Answer Ans- d. Foreign Key
 

Q13. A field which is_______for each and every record is called Primary key.

a. Common

b. Same

c. Unique

d. None of the above

Show Answer Ans- c. Unique
 

Q14. When data is stored, maintained and retrieved from multiple tables then special database software are required called ______

a. DBMS

b. RDBMS

c. Special DBMS

d. All of the above

Show Answer Ans- b. RDBMS
 

Q15. Identify the Foreign Key from table “Subject”

Table STU:

Stu_ID (primary Key)

Stu_Name

Stu_Phone


Table : Subject

Sub_ID (Primary Key)

Stu_ID

Marks


a. Sub_ID

b. Marks

c. Stu_phone

d. Stu_ID

Show Answer Ans- d. Stu_ID
 

Q16. Which of the following is not valid field of table “Student”

a. admno

b. name

c. fees

d. salary

Show Answer Ans- d. salary
 

Q17. In RDBMS, data is organized in the form of __________________

a. Table

b. Record

c. Field

d. None of the above

Show Answer Ans- a. Table
 

Q18. SQL stands for _________________

a. Structured Queue Language

b. Structured Query Language

c. Structured Query Lang

d. None of the above

Show Answer Ans- b. Structured Query Language
 

Q19. All the values in ________ are of same type.

a. Records

b. Table

c. Database

d. Fields

Show Answer Ans- d. Fields
 

Q20. ___________ represent a single data item in a table.

a. Tuples

b. Attributes

c. Relation

d. All of the above

Show Answer Ans- a. Tuples
 

Q21. _______________ are the basic building blocks of a database.

a. Tables

b. Record

c. Fields

d. All of the above

Show Answer Ans- a. Tables
 

Q22. We can create table :

a. in design view

b. use Wizard

c. Both of the above

d. None of the above

Show Answer Ans- c. Both of the above
 

Q23. By default data type of fields is.

a. Text[Varchar]

b. Text[Char]

c. Int

d. Long

Show Answer Ans- a. Text[Varchar]
 

Q24. By default the length of Varchar data type is __

a. 20

b. 30

c. 40

d. 50

Show Answer Ans- d. 50
 

Q25. By default the name of the table is ______

a. Tab 1

b. Table 1

c. First Table

d. Untitled 1

Show Answer Ans- b. Table 1
 

Q26. __________ are used to identify which type of data we are going to store in the database.

a. Datatype

b. Record

c. Table

d. Attributes

Show Answer Ans- a. Datatype
 

Q27. Which data type will be appropriate to store information as Salary, Fees, Price etc

a. Numeric Data type

b. Alphanumeric Data types

c. Binary Data types

d. Date Time

Show Answer Ans- a. Numeric Data type
 

Q28. Which of the following is not a numeric data type?

a. Tinyint

b. Smallint

c. Boolean

d. Date

Show Answer Ans- d. Date
 

Q29. Which of the following data types can not store decimal values?

a. Decimal

b. Real

c. Numeric

d. Boolean

Show Answer Ans- d. Boolean
 

Q30. Which of the following will occupy more space in computer memory?

a. Bigint

b. Integer

c. Smallint

d. Boolean

Show Answer Ans- a. Bigint
 

Q31. _______ data types are used for storing photos, music files etc

a. Binary

b. Alphanumeric

c. Numeric

d. Special

Show Answer Ans- a. Binary
 

Q32. Char is a ______ length data type and varchar is a ______ length data type.

a. Fixed, Variable

b. Variable, Fixed

c. Variable, Variable

d. Fixed, Fixed

Show Answer Ans- a. Fixed, Variable
 

Q33. Which field is suitable for storing records of employees?

a. EmpNo

b. Empname

c. Salary

d. All of the above

Show Answer Ans- d. All of the above
 

Q34. Auto Value is a property of __ data type .

a. Numeric

b. Character

c. Binary

d. Date

Show Answer Ans- a. Numeric
 

Q35. Which of the following property help to set the number of characters in Varchar type.

a. Auto value

b. Required

c. Default Value

d. Length

Show Answer Ans- d. Length
 

Q36. Which property ensures that field can not be left blank?

a. Entry required

b. Format

c. Required Entry

d. Required

Show Answer Ans- a. Entry required
 

Q37. By default the length of the Integer data type is ______________

a. 10

b. 15

c. 20

d. 25

Show Answer Ans- a. 10
 

Q38. Which of the following property to be turned “yes” so that value will be auto incremented?

a. Default

b. Format

c. Auto value

d. Length

Show Answer Ans- c. Auto value
 

Q39. Which of the following is not the binary data types?

a. Longvarbinary

b. Varbinary

c. Binary

d. Charbinary

Show Answer Ans- d. Charbinary
 

Q40. Which of the following is not the date time data types?

a. Date

b. Time

c. Datestamp

d. Timestamp

Show Answer Ans- c. Datestamp
 

Q41. Which data type is used to store value of fields like “Date of Birth”?

a. Date Time

b. Varchar

c. Integer

d. Other

Show Answer Ans- a. Date Time
 

Q42. We can ____________________ data in table.

a. modify

b. insert

c. delete

d. all of the above

Show Answer Ans- d. all of the above
 

Q43. In which view data can be entered in table?

a. Datasheet view

b. Design view

c. Both of the above

d. None of the above

Show Answer Ans- a. Datasheet view
 

Q44. In which mode we can change the structure of table?

a. Datasheet view

b. Design view

c. Structure view

d. All of the above

Show Answer Ans- b. Design view
 

Q45. Sorting means to arrange data in _______________ order.

a. increasing

b. decreasing

c. increasing or decreasing

d. None of the above

Show Answer Ans- c. increasing or decreasing
 

Q46. In Base data can be linked between two or more tables with the help of _________________

a. primary key

b. foreign key

c. primary and foreign key

d. None of the above

Show Answer Ans- c. primary and foreign key
 

Q47. Relationship can be created between

a. two tables only

b. one table only

c. two or more tables

d. none of the above

Show Answer Ans- c. two or more tables
 

Q48. Relationship between tables can be created from _____________________ menu.

a. View

b. Insert

c. Windows

d. Tools

Show Answer Ans- d. Tools
 

Q49. There are __________________ types of relationship which can be created between tables.

a. three

b. two

c. four

d. infinite

Show Answer Ans- a. three