What Does The Following Relational Operation Performbr #108
What does the following relational operation perform?<br /> ρx(A1,A2,A3…) (E)
This multiple choice question (MCQ) is related to the book/course
gs gs114 Relational Database Management System.
It can also be found in
gs gs114 Intermediate and Advanced SQL - The Relational Algebra - Quiz No.1.
What does the following relational operation perform?
ρx(A1,A2,A3…) (E)
ρx(A1,A2,A3…) (E)
It returns the result of expression E with the previous attribute names
It returns the result of expression E renaming the attributes as A1, A2, …
It returns the result of the relation E but saves the old attributes
None of the mentioned
