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Chapter 11: Database Concepts
- Online Test
Chapter 11: Database Concepts
TEST : 1
# Chapter 11: Database Concepts
# TN 12th Computer Science
Prepare / Learn
Q1.
What is the acronym of DBMS?
A.
DataBase Management Symbol
B.
Database Managing System
C.
DataBase Management System
D.
DataBasic Management System
View Solution
Add Work Space
Answer :
Option C
Explaination / Solution:
No Explaination.
# Chapter 11: Database Concepts
# TN 12th Computer Science
Prepare / Learn
Q2.
A table is known as
A.
tuple
B.
attribute
C.
relation
D.
entity
View Solution
Add Work Space
Answer :
Option C
Explaination / Solution:
No Explaination.
# Chapter 11: Database Concepts
# TN 12th Computer Science
Prepare / Learn
Q3.
Which database model represents parent-child relationship?
A.
Relational
B.
Network
C.
Hierarchical
D.
Object
View Solution
Add Work Space
Answer :
Option C
Explaination / Solution:
No Explaination.
# Chapter 11: Database Concepts
# TN 12th Computer Science
Prepare / Learn
Q4.
Relational database model was first proposed by
A.
E F Codd
B.
E E Codd
C.
E F Cadd
D.
E F Codder
View Solution
Add Work Space
Answer :
Option A
Explaination / Solution:
No Explaination.
# Chapter 11: Database Concepts
# TN 12th Computer Science
Prepare / Learn
Q5.
What type of relationship does hierarchical model represents?
A.
one-to-one
B.
one-to-many
C.
many-to-one
D.
many-to-many
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
No Explaination.
# Chapter 11: Database Concepts
# TN 12th Computer Science
Prepare / Learn
Q6.
Who is called Father of Relational Database from the following?
A.
Chris Date
B.
Hugh Darween
C.
Edgar Frank Codd
D.
Edgar Frank Cadd
View Solution
Add Work Space
Answer :
Option C
Explaination / Solution:
No Explaination.
# Chapter 11: Database Concepts
# TN 12th Computer Science
Prepare / Learn
Q7.
Which of the following is an RDBMS?
A.
Dbase
B.
Foxpro
C.
Microsoft Access
D.
SQLite
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
No Explaination.
# Chapter 11: Database Concepts
# TN 12th Computer Science
Prepare / Learn
Q8.
What symbol is used for SELECT statement?
A.
σ
B.
Π
C.
X
D.
Ω
View Solution
Add Work Space
Answer :
Option A
Explaination / Solution:
No Explaination.
# Chapter 11: Database Concepts
# TN 12th Computer Science
Prepare / Learn
Q9.
A tuple is also known as
A.
table
B.
row
C.
attribute
D.
field
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
No Explaination.
# Chapter 11: Database Concepts
# TN 12th Computer Science
Prepare / Learn
Q10.
Who developed ER model?
A.
Chen
B.
EF Codd
C.
Chend
D.
Chand
View Solution
Add Work Space
Answer :
Option A
Explaination / Solution:
No Explaination.
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