Question # 1

An attribute is also known as:

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Table

Field

Row

Relation

The output of the statement print ("%2f', 11.4519), is

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11.4519

11.45

11.51

11

Every relation must have:

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Primary key

Candidate key

Secondary key

All of these

In an E-R diagram, a rectangle represents:

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Entity

Attributes

Relationship

None

Which of the following keys us not unique:

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Candidate key

Forein key

Primary key

Secondary key

An index may be created on:

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Primary key

Secondary key

Foreign key

All

Which of the following is basic data distribution strategy?

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Centralized

Partitioned

Replication

All

Which of the following is NOT included in the definition of an entity?

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Person

Object

Concept

Action

The function clrscr ( ) is defined in

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stdio.h

math.h

canio.h

graphic.h

Organizing the database in computer disk storage is done in:

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Logical design

Physical design

Analysis

Implimentation

An entity related to itself in an ERD model refers to

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recursive relationship

one-to-many relationship

many to many relationship

on to one relationship

-------------------- defines the nature of the relationship

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cardinality

entities

modality

none of these

In a relational database a single piece of information is called:

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Table

Record

Entity

Attribute

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mendatory

optional

may be many

none of theses

A factor to consider when choosing a file organization is:

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Fast retrieval

Security

Efficient storage

All

Optional is represented by

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0

1

2

none of these

An advantage of partitioning is:

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Efficiency

Extra space

Reliabilty

Accuracy

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ICS Part 2 Computer Science Chapter 3 Online Test MCQs With Answers

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