Question # 1

Escape sequence starts with the character

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%

/

#

none

An advantage of partitioning is:

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Efficiency

Extra space

Reliabilty

Accuracy

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

Object used to retrieve data from database is called:

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Forms

Repons

Queries

Tables

Which of the following activities are involved in data analysis?

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Data flow diagram

Decision Tables

Decision Trees

All

Which of the following are ingredients of data modeling?

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Entities

Attributes

Relationship

All

Customers,cars and parts are examples of:

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Entities

Attributes

Cardinals

Relashionships

Which is used to display yes/no values:

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Check box

Option buttons

Both a & b

None of these

Organizing the database in computer disk storage is done in:

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Logical design

Physical design

Analysis

Implimentation

An attribute is also known as:

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Table

Field

Row

Relation

_______________ refers to a method of database distribution in which different portions of database reside at different nodes in the network.

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Spliting

Partitioning

Replication

Dividing

In ERD model, the relationship between two entities is represented by a

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diamond symbol

rectangular box

oval symbol

line

Which of the following can be used as flag value

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+

#

-

all

Which of the following represents the entities?

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Teacher

Student

Aero plane

All

Which of the following key does not hold uniqueness property ?

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candidate key

foreign key

primary key

Secondary key

An disadvantage of partitioning is:

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Complexity

Extra space and update time

Inconsistent access speed

All

A file is stored in:

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RAM

ROM

Cache

Hard disk

Which of the following is a valid format specifier

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%10d

%7.2f

%-7f

all

Conditional operator is alternative of:

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If

If-else

Nested if-else

None of these

Relationship are

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uni-directional

bi-directional

tri-directional

none of these

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

Format specifier starts with the symbol

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#

%

*

all

Which of the following is basic data distribution strategy?

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Centralized

Partitioned

Replication

All

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