Question # 1

A file is stored in:

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RAM

ROM

Cache

Hard disk

Relationship are

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uni-directional

bi-directional

tri-directional

none of these

An disadvantage of partitioning is:

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Complexity

Extra space and update time

Inconsistent access speed

All

A \t is used for:

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New line

Tab

Back space

None of these

A person's name, birthday and social security number are examples of:

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Attributes

Entities

Relationships

Descriptors

Which component of physical database design refers to the consistency of data?

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Indexes

Integrity constaint

File organization

Data distribution strategy

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

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Person

Object

Concept

Action

Customers,cars and parts are examples of:

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Entities

Attributes

Cardinals

Relashionships

Data type int contain bytes:

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10

4

2

1

Which of the following is a valid format specifier

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%10d

%7.2f

%-7f

all

Object used to retrieve data from database is called:

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Forms

Repons

Queries

Tables

Which of the following keys us not unique:

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Candidate key

Forein key

Primary key

Secondary key

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

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cardinality

entities

modality

none of these

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

In a loop semicolon is placed at the end of condition:

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While

For

Do-while

None of these

Which of the following represents the entities?

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Teacher

Student

Aero plane

All

The function clrscr ( ) is defined in

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stdio.h

math.h

canio.h

graphic.h

Which of the following is basic data distribution strategy?

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Centralized

Partitioned

Replication

All

Format specifier starts with the symbol

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#

%

*

all

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

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11.4519

11.45

11.51

11

Which of the following can be used as flag value

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+

#

-

all

An index may be created on:

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Primary key

Secondary key

Foreign key

All

All of the following are components of physical database design EXCEPT:

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Data volume and usage anylisis

Data distribution strategy

File organization

Normalize the relations

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