200 Important MCQ on RDBMS Class 10 IT 402 UNIT -3 Relational Database Management System (Basic)

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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 class 10 IT 402 Unit 3

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MCQ on RDBMS

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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 class 10 IT 402 Unit 3

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MCQ on RDBMS class 10 IT 402 Unit 3

MCQ on RDBMS

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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 class 10 IT 402 Unit 3

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MCQ on RDBMS

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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 class 10 IT 402 Unit 3

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MCQ on RDBMS

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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 class 10 IT 402 Unit 3

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MCQ on RDBMS

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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 class 10 IT 402 Unit 3

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MCQ on RDBMS

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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 class 10 IT 402 Unit 3

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MCQ on RDBMS

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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 class 10 IT 402 Unit 3

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MCQ on RDBMS class 10 IT 402 Unit 3

MCQ on RDBMS

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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 class 10 IT 402 Unit 3

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MCQ on RDBMS class 10 IT 402 Unit 3

MCQ on RDBMS

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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 class 10 IT 402 Unit 3

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MCQ on RDBMS class 10 IT 402 Unit 3

Q101. _________________ can be visualise as a container of information.

a. Database

b. Form

c. Report

d. Query

Q102. Which of the following is an organised collection of data?

a. Form

b. Report

c. Database

d. Query

Q103. Parth own a stationary shop, he need to keep detailed records of the materials available in his shop. He also need to store information about pricing, stock levels for reordering, old stocks, etc. Which of the following program will help him to organize the data as per his business need?

a. Microsoft Access

b. OpenOffice.org Base

c. MySQL

d. All of the above

Q104. Which of the following is not a database program?

a. MySQL

b. Access

c. Calc

d. Base

Q105. The database concept has evolved since ________

a. 1960s

b. 1970s

c. 1975s

d. 1980s

Q106. DBMS stands for _________

a. Database Management Source

b. Database Management System

c. Database Management Software

d. Database Management Systematic

Q107. A database management system is a ______

a. Software

b. Hardware

c. Malware

d. Freeware

Q108. Which of the following statement is not correct about DBMS.

a. It is a computer programs that controls the creation, maintenance, and use of a database.

b. It allows organizations to conveniently develop databases for various applications.

c. A DBMS allows different user to concurrently access the same database

d. DBMS stands for Database Management Software.

Q109.Which of the following file type will be preferred for less amount of data?

a. Flat File

b. Relational File

c. One File

d. Second File

Q110. Databases available on the database servers are accessed through command line or graphic user interface tools. Such tools are referred as _____

a. Backend

b. Firstend

c. Frontend

d. Lastend

MCQ on RDBMS class 10 IT 402 Unit 3

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MCQ on RDBMS class 10 IT 402 Unit 3

Q111. When multiple copies of the same data exist in database server. This is called ______

a. Data Integrity

b. Data Redundancy

c. Data Consistency

d. Data Security

Q112. The users of the database can share the data among themselves. There are various levels of authorisation to access the data, and consequently the data can only be shared based with the authorized users. In this, we are discussing about the ________

a. Advantage of Database

b. Disadvantage of Database

c. Database Servers

d. Structure of Database

Q113. __________ means that the data is accurate and consistent in the database.

a. Data Redundancy

b. Data Security

c. Data Integrity

d. Data Privacy

Q114. Data Security is an important concept in a database. It says ________________________

a. Only authorised users should be allowed to access the database.

b. Users identity should be authenticated using a username and password.

c. Both of the above

d. Unauthorised users should be allowed to access the database under any circumstances

Q115. Which of the following is advantage of database?

a. It reduces Data Redundancy

b. In a database, the users of the database can share the data among themselves.

c. It maintains the security of data.

d. All of the above

Q116. _______ means, multiple mismatching copies of the same data.

a. Data Privacy

b. Data Consistency

c. Data Inconsistency

d. Data Integrity

Q117. Database Management System automatically takes care of backup and recovery. (T/F)

a. True

b. False

Q118. A database can have ____ table.

a. only one

b. one or many

c. only two

d. only three

Q119. Which of the following is an example of database?

a. Notebook

b. Address Book

c. Math Book

d. All of the above

Q120. Identify the wrong statement.

a. A database can have one or more tables.

b. A table can have one or more database.

c. Database is a container that holds tables and other objects.

d. All of the above

MCQ on RDBMS class 10 IT 402 Unit 3

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MCQ on RDBMS class 10 IT 402 Unit 3

Q121. When data is to be stored, maintained, and retrieved from multiple tables then special database software is required known as ____________

a. DBMS

b. RDBMS

c. RDBSM

d. DBSM

Q122. In the RDBMS data can be integrated using ________

a. Primary Key

b. Composite Primary Key

c. Foreign Key

d. All of the above

Q123. Which of the following field is most appropriate primary key in Client table?

a. Client_id

b. Client_name

c. Client_address

d. Client_location

Q124. A _____ is a set of attributes in a table, that refers to the Primary key in another table

a. Foreign Key

b. Candidate Key

c. Alternate Key

d. Composite Primary Key

Q125. Column in a table is also known as _______

a. Attribute

b. Field

c. Both of the above

d. Tuple

Q126. Tuple in a table is also known as _______

a. Row

b. Record

c. Both of the above

d. Attribute

Q127. A table is a set of data elements that is organized using a model of vertical __________ and horizontal ____________

a. columns, rows

b. rows, columns

c. columns, columns

d. rows, rows

Q128. Which of the following are identified by their name?

a. Table

b. Column

c. Both of the above

d. Row

Q129. A table has a defined number of ______________ but can have any number of ______

a. columns, rows

b. rows, columns

c. tuple, columns

d. tuple, degree

Q130. _____________represents a single, data item in a table

a. Rows

b. Columns

c. Attribute

d. Field

MCQ on RDBMS class 10 IT 402 Unit 3

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MCQ on RDBMS class 10 IT 402 Unit 3

Q131. Aman created an object ‘X’ in Base to store the value in the form of rows and columns. Identify ‘X’

a. Column

b. Table

c. Row

d. Database

Q132. Which of the following contain data of same data type?

a. Column

b. Record

c. Tuple

d. All of the above

Q133. Give an example of Open Source RDBMS.

a. Oracle

b. Microsoft SQL Server

c. Microsoft Access

d. OpenOffice Base

Q134. Which of the following method will help to create table step by step?

a. Create table in Design View

b. Use Wizard to Create Table

c. Create View

d. None of the above

Q135. Identify the odd one out.

a. Numeric Types

b. Alphanumeric Types

c. Binary Types

d. Date & Day Type

Q136. What is the default length of TINYINT data type?

a. 1

b. 2

c. 3

d. 4

Q137. Which of the following is not the category of Open Office data type?

a. Numeric Types

b. Alphanumeric Types

c. Date time

d. Bool Type

Q138. Name the data type which is suitable for storing Item Price, roll number, door number, year of school admission, true or false statements, statistical values.

a. Numeric Types

b. Alphanumeric Types

c. Date time

d. Binary Type

Q139. Which of the following data type can stores character/data upto the length specified by the user?

a. Varchar

b. Char

c. Varchar_IgnoreCase

d. All of the above

Q140. Which of the following data type is most suitable to store a very large amount of data?

a. LongVarchar or Memo

b. Varchar_IgnoreCase

c. Varchar

d. Char

MCQ on RDBMS class 10 IT 402 Unit 3

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MCQ on RDBMS class 10 IT 402 Unit 3

Q141. Dhriti wants to store the details of students as well as their pictures in a table named “school”. She is confused about the data type used to store pictures. Suggest her the suitable data types from the following.

a. Memo

b. Boolean

c. Binary

d. Varchar

Q142. Which of the following is not a Date Time data type?

a. Date

b. Time

c. Timestamp

d. Stamptime

Q143. Which of the following data type is suitable to store values for ‘date of birth’ field?

a. Date

b. Time

c. Both of the above

d. Timestamp

Q144. Which of the following data type stores hours, minutes and second information?

a. Date

b. Time

c. Stamptime

d. Timer

Q145. Binary data types are used for storing data in _________________ formats

a. boolean

b. binary

c. image

d. sound

Q146. Which of the following is not the binary data types?

a. LongVarbinary

b. LongBinary

c. Binary

d. Varbinary

Q147. To insert values into the table, just ________ on the table name.

a. Click

b. Double click

c. Right Click

d. None of the above

Q148. Ananya is creating a table in Base to store the details of all the students in class ‘9A’. She wants to create the field ‘Rollnumber’ as a primary key. She knows that there are maximum 40-50 students in that class. Which of the following data type is most suitable for this primary key?

a. Boolean

b. Binary

c. Tiny Integer

d. Small Integer

Q149. Parth is a student of class X. He is working in Open Office Base. He created a table but forgot to create the primary key. Does Open Office Base automatically create the primary key. If yes then what would be the default name of primary key?

a. No, open office will not create primary key automatically.

b. Yes, ID is the default name

c. Yes, IDs is the default name

d. Yes, PK is the default name

Q150. Data in a table created in Base can be ___________

a. Inserted

b. Modified

c. Deleted

d. All of the above

MCQ on RDBMS class 10 IT 402 Unit 3

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MCQ on RDBMS class 10 IT 402 Unit 3

Q151. Steps to delete a record from table are given below. Arrange them in order.

1. Select the delete option.
2. Open the table.
3. Right click on selected data.
4. Select the data.

a. 1, 2, 3, 4

b. 4, 3, 2, 1

c. 2, 4, 3, 1

d. 2, 3, 1, 4

Q152. Data in a table can be entered in _______ view.

a. Design View

b. Datasheet View

c. Both of the above

d. None of the above

Q153. Structure of a table can be changed in _______ view.

a. Design View

b. Datasheet View

c. Both of the above

d. None of the above

Q154. Field Properties can be set in ____________

a. Datasheet View

b. Design View

c. Both of the above

d. None of the above

Q155. Which of the following field property is for Numeric data type?

a. AutoValue

b. Default Value

c. Length

d. All of the above

Q156. Parth is working in an IT company. He wants to store the details of all employees along with their employee number. He wants to do a setting that employee number(Integer type) will automatically incremented by 1. Suggest him the suitable property.

a. Default Value

b. Length

c. Format

d. Auto Value

Q157. Aman wants to store the mobile number of all workers in a particular format in Open Office Base. Which of the following property will help him?

a. Auto Value

b. Default Value

c. Format

d. Length

Q158. What is the default length of Integer data type?

a. 10

b. 20

c. 40

d. 50

Q159. What is the default value of field property ‘Entry Required’?

a. Yes

b. No

c. True

d. False

Q160. If ________________ property is set to yes then it will be must to insert the value in the field.

a. Entry Required

b. Length

c. Auto Value

d. Format

MCQ on RDBMS class 10 IT 402 Unit 3

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MCQ on RDBMS class 10 IT 402 Unit 3

Q161. ____________ property help to set the value which automatically inserted in a field when new record is created.

a. Length

b. Format

c. Default Value

d. Entry Required

Q162. Which of the following column has sorted data?

Rollno          Name              Salary
3                 Amit              2500
5                  Ashu              3200
9                 Anil              3000

a. Rollno

b. Name

c. Salary

d. All of the above

Q163. To arrange the data in ascending or descending order, First select the column(s) and then click on _________________ buttons

a. Arrange

b. Sort

c. View

d. Save

Q164. When a primary key from one table appears in another table, it is called a ________.

a. Composite Primary Key

b. Foreign Key

c. Main Key

d. Secondary Key

Q165. Referential integrity refers to the _______________ between tables.

a. relationship

b. joining

c. communication

d. consistency

Q166. Referential integrity helps to avoid:

a. Adding records to a related table if there is no associated record available in the primary key table.

b. Changing values in a primary if any dependent records are present in associated table(s).

c. Deleting records from a primary key table if there are any matching related records available in associated table(s).

d. All of the above

Q167. We can create a relationship between any two tables by selecting _____ option from the __________ menu.

a. Relationships, Edit

b. SQL, Tools

c. Relationships, Tools

d. Filter, Edit

Q168. Which of the following relationship can not be created in Open Office Base?

a. One to One

b. One to Many

c. Many to Many

d. Many to All

Q169. In ____ relationship, one of the table must have primary key column.

a. Many to Many

b. One to Many

c. One to One

d. Many to All

Q170. In ____ relationship, both the tables must have primary key columns.

a. Many to Many

b. One to Many

c. One to One

d. Many to All

MCQ on RDBMS class 10 IT 402 Unit 3

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MCQ on RDBMS class 10 IT 402 Unit 3

Q171. In _____ relationship, no table has the primary key column.

a. Many to Many

b. One to Many

c. Many to One

d. One to One

Q172. Once the relationships applied on the tables can not be removed. (T/F)

a. True

b. False

Q173. To remove the relationship between tables, right click on the relationship thread and select _____________ option.

a. Edit

b. Delete

c. Remove

d. Clear

Q174. ____ is used to collect specific information from the pool of data.

a. Form

b. Report

c. Query

d. Table

Q175. Which language is used to write query in Open Office Base?

a. VB

b. C

c. C++

d. SQL

Q176. ______ are the commands that are used to define the data structure and also to manipulate the data in the database.

a. Forms

b. Reports

c. Queries

d. Tables

Q177. Which of the following command is used to retrieve data from the table?

a. Delete

b. Insert

c. Create

d. Select

Q178. Which of the following clauses can be used with SELECT statement?

a. Where clause

b. Order by Clause

c. Both of the above

d. None of the above

Q179. Select statement can retrieve data only from one table.(T/F)

a. True

b. False

Q180. Ananya wants to display all the records from table ‘Book’. She is not able to write the SQL query. Help her in choosing the correct query to perform this task.

a. Select * from Book;

b. Select all from Book;

c. Select * Book;

d. Select from Book;

MCQ on RDBMS class 10 IT 402 Unit 3

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MCQ on RDBMS class 10 IT 402 Unit 3

Q181. Which of the following operators are used to perform simple calculations in Base?

a. Arithmetic Operators

b. Logical Operators

c. Relational Operators

d. Membership Operators

Q182. Ananya is working in an IT company. She has to display the salary of all the employees after incrementing it as twice the amount of present salary. Help her to write the query.

a. Select salary + 2 from employee;

b. Select salary – 2 from employee;

c. Select salary * 2 from employee;

d. Select salary / 2 from employee;

Q183. To display the records containing the same type of values ________ clause can be used with the Select SQL Command

a. Where

b. Order By

c. Both of the above

d. None of the above

Q184. ‘Where’ and ‘Order by’ clause can be used together in a single query.(T/F)

a. True

b. False

Q185. Which of the following query will display the details of all the students in increasing order of Roll number?

a. Select * from student order by ‘Rno’ ;

b. Select all from student order by ‘Rno’ ;

c. Select * from student orderby ‘Rno’ ;

d. Select * student order by ‘Rno’ ;

Q186. We can add, modify or delete records using the ___________, _____ and ________ commands respectively.

a. Insert, Update and Remove

b. Add, Update and Delete

c. Insert, Update and Delete

d. Insert, Modify and Delete

Q187. What is the purpose of Update command?

a. It is used to modify the structure of the table.

b. It is used to modify the data of the table.

c. It is used to delete the table.

d. It is used to insert data in the table

Q188. What the following query will do?

Update student set fee = 3000;

a. It will modify the fees of all students.

b. It will modify the fees of few students.

c. It will modify the fees of only first student.

d. It will modify the fees of only those students whose fees is less than 3000.

Q189. A ___________ helps the user to systematically store information in the table.

a. Table

b. Form

c. Query

d. Report

Q190. By default, data is arranged in _________ order using ORDER BY clause

a. Increasing

b. Decreasing

c. Alphabetical

d. Descending

MCQ on RDBMS class 10 IT 402 Unit 3

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MCQ on RDBMS class 10 IT 402 Unit 3

Q191. Anjali has written the following query in Open Office Base. What will happen if we remove the word “asc” from the query?

Select * from Student order by Rollno asc;

a. Query will return an error.

b. Query will return all the records in descending order.

c. Query will return all the records in ascending order.

d. System will shut down

Q192. Srijan is working in a multinational company “LoveTech “as trainee. His boss asked him to increase the salary of all employees by Rs.1000. Help him to write the correct query. (Table Name : Employee and Column Name : Salary)

a. Update Employee set Salary = Salary + 1000;

b. Update table Employee set Salary = Salary + 1000;

c. Update table Employee set Salary = 1000;

d. Update * Employee set Salary = Salary + 1000

Q193. ______________ statement is used to remove one or more records in a Database.

a. Remove

b. Erase

c. Delete

d. Del

Q194. Which clause of Select statement helps to display specific data?

a. Order By

b. Where

c. Between

d. None of the above

Q195. Name an interface in a user specified layout that lets users to view, enter, and change data directly in database objects such as tables.

a. Report

b. Query

c. Form

d. Table

Q196. Can we insert records in table using Form.(T/F)

a. True

b. False

Q197. Which toolbar help us to move from one record to another in a form?

a. Standard Toolbar

b. Formatting Toolbar

c. Image Toolbar

d. Form Navigation Toolbar

Q198. _______ help us to get the summarized data.

a. Report

b. Form

c. Query

d. Table

Q199. To create a form you need to select ________ option available under Database section.

a. Report

b. Query

c. Table

d. Form

Q200. Which of the following option is not available under Database section of Open Office Base?

a. Table

b. Form

c. Reporting data

d. Query

MCQ on RDBMS class 10 IT 402 Unit 3

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MCQ on RDBMS class 10 IT 402 Unit 3

MCQ on RDBMS

MCQ on RDBMS Class 10 IT 402 UNIT -3

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