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

Any array script should be:

Question # 2

The goal of normalization is to:

Question # 3

The type of expression x > y is

Question # 4

The columns of a table correspond to:

Question # 5

Which object of database is used to retrieve data from database?

Question # 6

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

Question # 7

How many table views are available in MS Access?

Question # 8

Which can be previewed on the screen before printing?

Question # 9

The conditional part of if statement consists of expression

Question # 10

Which of the following anomalies result from a transitive dependency ?

Question # 11

C was developed in the year:

Question # 12

The 1NF describes the tabular format in which:

Question # 13

Which format specific is used for integer data type?

Question # 14

In relational database, table is also called:

Question # 15

We can make two way decisions with the help of

Question # 16

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

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 Different attributes in two different tables having same name are called:
A. Synonym
B. Homonym
C. Acronym
D. Mutually exclusive
2 A constraint between two attributes is called:
A. Functional relation
B. Attribute dependency
C. Functional dependency
D. Functional relation constaint
3 How many table views are available in MS Access?
A. 1
B. 3
C. 2
D. 4
4 In 3NF, a non key attribute must not depend on a
A. non key attribute
B. key attribute
C. composite key
D. sort key
5 The operator that is used in decision making is
A. increment operator
B. decrement operator
C. condition operator
D. none
6 In relational data base, a table is also called:
A. Tuple
B. Relation
C. File
D. Schema
7 A relation is in 2NF if it is in 1NF and all its non-key attributes are:
A. Dependent on part of the primary key
B. Dependent on the entire primary key
C. Independent on the primary key
D. Independent of any other relation
8 Which form of dependency is removed in 2NF?
A. Functional
B. Transitive
C. Associative
D. Partial
9 The entity integrity rule states that:
A. No primary key attribute can be null
B. Each entity must have a primary key
C. Primary key must have only one attribute
D. None
10 The type of expression x > y is
A. arithmetic
B. logical
C. relational
D. conditional

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