What does the following relational operation perform? x(A1,A2,A3 ) (E)

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TuteeHUB · Accepted Answer

tIt returns the result of the relation E but saves the old attributes

TuteeHUB · Answer

tIt returns the result of expression E with the previous attribute names

TuteeHUB · Answer

tIt returns the result of expression E renaming the attributes as A1, A2,

TuteeHUB · Answer

tIt returns the result of the relation E but saves the old attributes

TuteeHUB · Answer

tNone of the mentioned

1.	What does the following relational operation perform? x(A1,A2,A3 ) (E)
A.	tIt returns the result of expression E with the previous attribute names
B.	tIt returns the result of expression E renaming the attributes as A1, A2,
C.	tIt returns the result of the relation E but saves the old attributes
D.	tNone of the mentioned
Answer» C. tIt returns the result of the relation E but saves the old attributes

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