HARD
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Projection operator is____________ operator in Relational Algebra .
(a)Unary Operator
(b)Binary Operator
(c)Multi Dimension Operator
(d)None of these

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Important Questions on Database Management System
EASY
The boolean expression is simplified to

HARD
The relationship associating the weak entity sets with the identifying entity set is called as _____.

MEDIUM
Notations for Union Operator is ____________

EASY
Relational Algebra is _________________

EASY
Which of the following is used to denote the Selection Operator is in Relation Algebra?

MEDIUM
Forms of Join Operations are________

MEDIUM
The set operators used in the query language are_______________________

HARD
The products in which the rows in one table are combined with the rows in another table is____________

EASY
The DIVISION operation can be applied to two relations A and B such as R(A) ÷ R(B) where as

HARD
The ___________ operation, denoted by −, used to find tuples that are in one relation but are not in another.

HARD
Set Intersection Operation denote as

