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MCQ on RDBMS Class 10 IT 402 UNIT -3

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MCQ on RDBMS

MCQ on RDBMS Class 10 IT 402 UNIT -3

Q1. A database is an organized collection of _______________.

a. data

b. Attributes

c. Record

d. None of the above

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

a. MS-Access

b. Writer

c. Calc

d. Impress

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

a. MySQL

b. Oracle

c. Writer

d. OObase

Q4. __________ store data in Single table.

a. Flat File

b. Relational

c. Single File

d. One 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

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

a. Container

b. Back End

c. End

d. None of the above

Q7. Duplication of data is called _________.

a. Inconsistency

b. Consistency

c. Redundancy

d. Foreign Key

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

Q9. Data Integrity means that data is accurate and consistent in the database.(T/F)

a. True

b. False

Q10. A database can have only one table.(T/F)

a. True

b. False

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MCQ on RDBMS

MCQ on RDBMS Class 10 IT 402 UNIT -3

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Q11. 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

Q12. Which of the following field of table “Book” can act as primary key?

a. Book_number

b. Subject

c. price

d. Author_name

Q13. 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

Q14. Duplicate values can be entered in primary key.(T/F)

a. True

b. False

Q15. 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

Q16. A field which is ______ for each and every record is called Primary key.

a. Common

b. Same

c. Unique

d. None of the above

Q17. 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

Q18. Identify the Foreign Key from table “Sales”

Table Client:
ClientID (primary Key)
clientname
clientphone

Table : Sales
SalesID (Primary Key)
ClientID
Profit

a. SalesID

b. Profit

c. Clientphone

d. ClientID

Q19. Which of the following is not valid field of table “Student”

a. admno

b.name

c. fees

d. salary

Q20. There can be multiple primary key in a table.(T/F)

a. True

b. False

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MCQ on RDBMS

MCQ on RDBMS Class 10 IT 402 UNIT -3

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Q21. In RDBMS, data is organized in the form of __________________

a. Table

b. Record

c. Field

d. None of the above

Q22. SQL stands for _________________

a. Structured Queue Language

b. Structured Query Language

c. Structured Query Lang

d. None of the above

Q23. All the values in ________ are of same type.

a. Records

b. Table

c. Database

d. Fields

Q24. ___________ represent a single data item in a table.

a. Tuples

b. Attributes

c. Relation

d. All of the above

Q25. In tables, data is organized in the form of rows and columns.(T/F)

a. True

b. False

Q26. Every row in a table has the same structure.(T/F)

a. True

b. False

Q27. Open Office base is not an open source software.(T/F)

a. True

b. False

Q28. _______________ are the basic building blocks of a database.

a. Tables

b. Record

c. Fields

d. All of the above

Q29. We can create table :

a. in design view

b. use Wizard

c. Both of the above

d. None of the above

Q30. By default data type of fields is.

a. Text[Varchar]

b. Text[Char]

c. Int

d. Long

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MCQ on RDBMS

MCQ on RDBMS Class 10 IT 402 UNIT -3

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Q31. Base automatically adds the column as Primary Key if we don’t add.(T/F)

a. True

b. False

Q32. By default the length of Varchar data type is __

a. 20

b. 30

c. 40

d. 50

Q33. By default the name of the table is ______

a. Tab 1

b. Table 1

c. First Table

d. Untitled 1

Q34. __________ are used to identify which type of data we are going to store in the database.

a. Datatype

b. Record

c. Table

d. Attributes

Q35. Which data type will be appropriate to store information as Salary, Fees, Price etc

b. Alphanumeric Data types

a. Numeric Data type

c. Binary Data types

d. Date Time

Q36. Which of the following is not a numeric data type?

a. Tinyint

b. Smallint

c. Boolean

d. Date

Q37. Which of the following data types can not store decimal values?

a. Decimal

b. Real

c. Numeric

d. Boolean

Q38. Which of the following will occupy more space in computer memory?

a. Bigint

b. Integer

c. Smallint

d. Boolean

Q39. _______ data types are used for storing photos, music files etc

a. Binary

b. Alphanumeric

c. Numeric

d. Special

Q40. 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

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MCQ on RDBMS

MCQ on RDBMS Class 10 IT 402 UNIT -3

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Q41. Which field is suitable for storing records of employees?

a. EmpNo

b. Empname

c. Salary

d. All of the above

Q42. Auto Value is a property of __ data type .

a. Numeric

b. Character

c. Binary

d. Date

Q43. 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

Q44. Which property ensures that field can not be left blank?

a. Entry required

b. Format

c. Required Entry

d. Required

Q45. By default the length of the Integer data type is ______________

a. 10

b. 15

c. 20

d. 25

Q46. 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

Q47. Which of the following is not the binary data types?

a. Longvarbinary

b. Varbinary

c. Binary

d. Charbinary

Q48. Which of the following is not the date time data types?

a. Date

b. Time

c. Datestamp

d. Timestamp

Q49. Which data type is used to store value of fields like “Date of Birth”?

a. Date Time

b. Varchar

c. Integer

d. Other

Q50. A record in table is also known as Attribute.(T/F)

a. True

b. False

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MCQ on RDBMS

MCQ on RDBMS Class 10 IT 402 UNIT -3

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Q51. We can ____________________ data in table.

a. modify

b. insert

c. delete

d. all of the above

Q52. 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

Q53. In which mode we can change the structure of table?

a. Datasheet view

b. Design view

c. Structure view

d. All of the above

Q54. After inserting records in table, we can not modify the structure of table.(T/F)

a. True

b. False

Q55. Sorting means to arrange data in _______________ order.

a. increasing

b. decreasing

c. increasing or decreasing

d. None of the above

Q56. Referential Integrity is used to maintain accuracy and consistency of data in a relationship.(T/F)

a. True

b. False

Q57. 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

Q58. Relationship can be created between

a. two tables only

b. one table only

c. two or more tables

d. none of the above

Q59. Relationship between tables can be created from _____________________ menu.

a. View

b. Insert

c. Windows

d. Tools

Q60. There are __________________ types of relationship which can be created between tables.

a. three

b. two

c. four

d. infinite

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MCQ on RDBMS

MCQ on RDBMS Class 10 IT 402 UNIT -3

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Q61. Which language help to extract/fetch data from table?

a. MySQL

b. Python

c. OOBase

d. HTML

Q62. We can create query (in Open Office Base) in _______________________

a. In design view

b. Using wizard

c. Both of the above

d. None of the above

Q63. Queries are commands that are used to define the structure and modify the data in a table.(T/F)

a. True

b. False

Q64. We can not delete the data using queries.(T/F)

a. True

b. False

Q65. SQL stands for __________________

a. Structural Query Language

b. Structured Query Language

c. Skeletal Query Language

d. None of the above

Q66. ___________ statement is used to retrieve data from table.

a. Delete

b. Update

c. Print

d. Select

Q67. ____________ is the most common DML command.

a. Delete

b. Update

c. Select

d. All of the above

Q68. DML stands for ____________

a. Data Manipulation Language

b. Database Manipulation Language

c. Data Modify Language

d. None of the above

Q69. Which of the following clause return specific rows?

a. Order By

b. Where

c. Having

d. Specific

Q70. Which of the following clause return records in ascending order?

a. Order By

b. Where

c. Order Asc

d. Order Inc

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MCQ on RDBMS

MCQ on RDBMS Class 10 IT 402 UNIT -3

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Q71. Command to display all the data in the table “emp” is.

a. Select * from emp

b. Select * from emp;

c. Select all from emp

d. Select all from emp;

Q72. Which command is used to create table?

a. Select

b. Create

c. Open

d. New

Q73. Shortcut to execute query in Create Query in SQL View is __

a. F7 Key

b. F5 Key

c. F8 Key

d. F6 Key

Q74. Which command is used to display the salary of all the employees after incrementing by 1000.

a. Select

b. Update

c. Modify

d. Change

Q75. Select “salary” from emp;

a. will display all the records of table emp

b. will display only particular columns of table emp;

c. will display only salary column of table emp;

d. None of the above

Q76. Select “empname”, “salary” * 3 from emp;

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

b. display name and three times salary

c. give error

d. None of the above

Q77. To get details about the list of students whose favorite color is blue. Query for this is :

a. select all from Stud where fav_Color=’Blue’;

b. select name from Stud where fav_Color=’Blue’;

c. select * from Stud where fav_Color=’Blue’;

d. select all from Stud where fav_Color is ’Blue’;

Q78. select * from Stud order by “Rollno” ASC;

a. display all the records of table.

b. display records in increasing order of roll number.

c. both of the above

d. none of the above

Q79. Which command is used to modify data in table?

a. delete

b. select

c. modify

d. update

Q80. Which command is used to delete data from table?

a. select

b. delete

c. insert

d. remove

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MCQ on RDBMS

MCQ on RDBMS Class 10 IT 402 UNIT -3

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Q81. Update statement is used to modify data in a table.(T/F)

a. True

b. False

Q82. Command to increase the salary of all employees by 15000.(table name emp and column name sal)

a. update emp set sal = sal + 15000;

b. update emp set sal = 15000;

c. update set sal = sal + 15000;

d. None of the above

Q83. By default data is arranged in _____ order using order by clause.

a. Ascending

b. Descending

c. Primary Key

d. None of the above

Q84. Which of the following is DML commands?

a. Insert

b. Update

c. Delete

d. All of the above

Q85. A ________ provides a systematic way of storing information into the database.

a. Report

b. Query

c. Form

d. None of the above

Q86. Which of the following act as an interface to view, enter and change data in database?

a. Report

b. Table

c. Query

d. Form

Q87. A _____________ helps to display the data in a summarized data.

a. Report

b. Form

c. Query

d. None of the above

Q88. A _______ helps to collect specific information from the pool of data.

a. Query

b. Report

c. Form

d. None of the above

Q89. Which of the following is to be created first?

a. Report

b. Query

c. Form

d. Table

Q90. Which of the following field is invalid for storing information of “Library” Table?

a. Cost

b. Booknumber

c. Authorname

d. Dateofbirth

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MCQ on RDBMS

MCQ on RDBMS Class 10 IT 402 UNIT -3

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Q91. Which of the following is suitable to act as a primary key in table student?

a. Rollno

b. Name

c. Class

d. Section

Q92. A foreign key is a reference of the ________ key in another table.

a. Alternate

b. Primary

c. Candidate

d. None of the above

Q93. A table is a collection of logically related data.(T/F)

a. True

b. False

Q94. _______ tables can be created in a database.

a. 1

b. 2

c. 3

d. More than 3

Q95. In primary key we can enter NULL values.(T/F)

a. True

b. False

Q97. Primary key increases data redundancy.(T/F)

a. True

b. False

Q98. In a table we can have only ______ primary key.

a. 1

b. 2

c. 3

d. more than 3

Q100. Duplicate values can be entered in Foreign key.(T/F)

a. True

b. False

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MCQ on RDBMS

MCQ on RDBMS Class 10 IT 402 UNIT -3

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