Question # 1

Which of the following is used to associate entities with one another?

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Entity

Attribute

Identifier

Relationship

Which is used to display yes/no values:

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Check box

Option buttons

Both a & b

None of these

Customers,cars and parts are examples of:

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Entities

Attributes

Cardinals

Relashionships

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

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diamond symbol

rectangular box

oval symbol

line

An advantage of partitioning is:

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Efficiency

Extra space

Reliabilty

Accuracy

Which of the following can be used as flag value

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+

#

-

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

Conditional operator is also called:

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True operator

Ternary-operator

Truth operator

All of these

Conditional operator is alternative of:

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If

If-else

Nested if-else

None of these

Optional is represented by

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0

1

2

none of these

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

Data type int contain bytes:

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10

4

2

1

Organizing the database in computer disk storage is done in:

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Logical design

Physical design

Analysis

Implimentation

Escape sequence starts with the character

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%

/

#

none

Getch stands for:

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Go character

Give character

Get character

All of these

In hybrid distribution, what types of fragments are stored at only one site?

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Critical fragments

Non-critical fragments

Critical and non-critical fragments

Only large fragments

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