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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MCQ's Test For Chapter 0 "ICS Part 2 Computer Science Chapter 4 Online Test"

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ICS Part 2 Computer Science Chapter 4 Online Test

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Question # 1

In 3NF, a non-key attribute must not depend on a :

Question # 2

The columns of a table correspond to:

Question # 3

The scope of a variable refers to its:

Question # 4

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

Question # 5

The entity integrity rule states that:

Question # 6

Different attributes in two different tables having same name are called:

Question # 7

Which of the following are anomalies that can be caused by redundancy in tables?

Question # 8

In 2NF, which form of dependency is removed ?

Question # 9

------------ is a constraint on primary values that states that no attribute of a primary key should contain nulls

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

A constraint between two attributes is called:

Question # 14

The conditional part of if statement consists of expression

Question # 15

How many table views are available in MS Access?

Question # 16

In 3NT which form of dependency is removed ?

Question # 17

The case block ends with:

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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 conditional part of if statement consists of expression
A. arithmetic
B. logical expression
C. relational
D. both b and c
2 In relational data base, a table is also called:
A. Tuple
B. Relation
C. File
D. Schema
3 Storing the same information in two different ways or forms is called
A. database integrity
B. redundant information
C. homonyms
D. mutually exclusive data
4 The program structure that executes program statements in order is
A. selection
B. sequence
C. repetition
D. iteration
5 The type of expression x > y is
A. arithmetic
B. logical
C. relational
D. conditional
6 In 3NF, a non key attribute must not depend on a
A. non key attribute
B. key attribute
C. composite key
D. sort key
7 A functional dependency between two or more non-key attributes is called:
A. Partial functional dependency
B. Partial non-key dependency
C. Transitive dependency
D. None
8 Another term for a conditional operator is:
A. Ternary
B. Binary
C. Byte
D. Iteration
9 Database integrity refers to the
A. correctness of data
B. consistency of data
C. both a and b
D. none of these
10 The number of bytes used by 'int' data type in C are:
A. 2
B. 8
C. 12
D. 16

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