12th Class Computer Science MCQS Chapter 3

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12th Class Computer Science MCQS
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All of the following are components of physical database design EXCEPT:
Data distribution strategy
Normalize the relations
File organization
Data volume and usage anylisis

Getch stands for:
Give character
Go character
Get character
All of these

In an E-R diagram, a rectangle represents:
None
Attributes
Relationship
Entity

The function clrscr ( ) is defined in
canio.h
graphic.h
math.h
stdio.h

An attribute is also known as:
Table
Row
Field
Relation

An index may be created on:
Secondary key
Foreign key
All
Primary key

Relationship are
bi-directional
none of these
uni-directional
tri-directional

Which of the following can be used as flag value
+
#
all

Customers,cars and parts are examples of:
Attributes
Relashionships
Cardinals
Entities

_______________ refers to a method of database distribution in which one database contains data that are included in another database.
Dividing
Replication
Splitting
Partitioning

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