ECAT Computer Science MCQS Set 7

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ECAT Computer Science MCQS Page 6


Data type int contain bytes:
2
10
4
1

_____ defines the nature of the relationship?
modality
cardinality
entities
none of these

Which of the following is basic data distribution strategy?
All
Centralized
Partitioned
Replication

A person’s name, birthday and social security number are examples of:
Attributes
Entities
Relationships
Descriptors

Every relation must have:
Primary key
Candidate key
Secondary key
All of these

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

A \t is used for:
Tab
New line
Back space
None of these

A technique for physically arranging the records of a file on secondary storage devices is called:
File organization
Physical pointer
Retrieval program
Update program

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

All of the following are components of physical database design EXCEPT:
Normalize the relations
Data volume and usage anylisis
Data distribution strategy
File organization

How many table views are available in MS Access?
2
1
3
4

Which of the following is a decision making statement
if
break
getch ( )
all

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