What Does The X Operator Do In Relational Algebra #568
What does the “x” operator do in relational algebra?
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 Introduction to Relational Model and SQL - Introduction to the Relational Model - Quiz No.1.
What does the “x” operator do in relational algebra?
Output specified attributes from all rows of the input relation. Remove duplicate tuples from the output
Output pairs of rows from the two input relations that have the same value on all attributes that have the same name
Output all pairs of rows from the two input relations (regardless of whether or not they have the same values on common attributes)
Returns the rows of the input relation that satisfy the predicate
