ECAT Computer Science MCQS Set 8

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ECAT Computer Science MCQS Page 2


A relation is in third normal form if it is in second normal form and:
Has no transitive dependencies
Dependent on part of the key
Dependent on the whole key
Independent of the key

How many types of loop structure are available in C?
3
4
2
6

In 3NF, a non-key attribute must not depend on a :
Non-key attribute
Key attribute
Composite key
Sort key

The operator that is used in decision making is
condition operator
increment operator
decrement operator
none

The goal of normalization is to:
Get stable data structure
Increase number of relation
Increase redundancy
Remove constraints

The value of expression in switch statement must be type of
both a and b
int
char
float

The columns of a table correspond to:
Field
Table
Record
Cell

Another term for a conditional operator is:
Ternary
Binary
Byte
Iteration

A relation is in 2NF if it is in 1NF and all its non-key attributes are:
Dependent on the entire primary key
Dependent on part of the primary key
Independent on the primary key
Independent of any other relation

The case block ends with:
Break
End Select
End case
Case else

Which is a possible value of flag?
+
Space
All of these

In relational data base, a table is also called:
Relation
Tuple
File
Schema

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