12th Class ICS Computer Science Chapter 4 Online MCQ Test for (Data Integrity and Normalization)

ICS Part 2 Computer Science Online
Chapter 4 Test

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ICS Part 2 Computer Science Chapter 4 Online Test

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Question # 1

The attribute on the left side of the arrow in a functional dependency is called:

Question # 2

The operator that is used in decision making is

Question # 3

A relation is in 2NF if it is in 1NF and all its non-key attributes are:

Question # 4

The value of expression in switch statement must be type of

Question # 5

The scope of a variable refers to its:

Question # 6

A rule that states each foreign key value must match a primary key value in the other relation is called:

Question # 7

A relation is in third normal form if it is in second normal form and:

Question # 8

Database integrity refers to the

Question # 9

------------------- is created when two different names are used for the same information

Question # 10

In 2NF, which form of dependency is removed ?

Question # 11

Two or more attributes with different name but same meaning create a problem:

Question # 12

The columns of a table correspond to:

Question # 13

Which form of dependency is removed n 3NF?

Question # 14

Which form of dependency is removed in 2NF?

Question # 15

In relational data base, a table is also called:

Question # 16

The entity integrity rule states that:

Question # 17

The 1NF describes the tabular format in which:

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ICS Part 2 Computer Science Chapter 4 Online Test MCQ's

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ICS Part II Computer Science Chapter 0 Important MCQ's

Sr.# Question Answer
1 The type of expression x > y is
A. arithmetic
B. logical
C. relational
D. conditional
2 The case block ends with:
A. End Select
B. End case
C. Break
D. Case else
3 We can make two way decisions with the help of
A. if
B. nested
C. if-else
D. all
4 A relation is in third normal form if it is in second normal form and:
A. Dependent on part of the key
B. Dependent on the whole key
C. Independent of the key
D. Has no transitive dependencies
5 Which of the following is a decision making statement
A. break
B. getch ( )
C. if
D. all
6 In 3NT which form of dependency is removed ?
A. functional
B. non-functional
C. associative
D. transitive
7 In 2NF, which form of dependency is removed ?
A. associative
B. transitive
C. partial
D. functional
8 The conditional part of if statement consists of expression
A. arithmetic
B. logical expression
C. relational
D. both b and c
9 The 1NF describes the tabular format in which:
A. All the key attributes are defined
B. No repeating groups in the table
C. All attributes are dependent on primary key
D. All
10 Which are basic data distribution strategies?
A. Centralized
B. Partitioned
C. Replication
D. All

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