Which of the following is NOT an operation in relational algebra?SelectionProjectionInsertionJoinNext
Question
Which of the following is NOT an operation in relational algebra?SelectionProjectionInsertionJoinNext
Solution
The operation that is NOT in relational algebra is Insertion. Relational algebra operations include Selection, Projection, and Join. However, Insertion is a part of Data Manipulation Language (DML) in SQL, not relational algebra.
Similar Questions
Which of the following is NOT an operation in relational algebra?
Which of the following is used to denote the selection operation in relational algebra?a.Lambda (Greek)b.Sigma (Greek)c.Omega (Greek)d.Pi (Greek)
One operation we might want to perform on a relation is to select _______ possessing certain characteristics and to place these selected _______ in a new relation.
What does the projection operation in relational algebra do?a.Produces a new relation containing tuples that appear in both input relationsb.Retrieves specific rows from a relationc.Retrieves specific columns from a relationd.Combines tuples from two relations based on a common attribute
The_____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple. SelectJoinUnionIntersection
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