Which one of the following is a procedural language ?Domain relational calculusTuple relational calculusRelational algebraQuery language

Relational Algebra is a __________ query language that takes two relations as input and produces another relation as an output of the query.a.Fundamentalb.Relationalc.Structurald.Procedural

What is Relational Calculus?

Procedural programming language

With regards to the expressive power of the formal relational query languages, which of the following statements is true?a.Relational algebra has the same power as relational calculusb.None of the abovec.Relational algebra is more powerful than relational calculusd.Relational algebra has the same power as safe relational calculus

Which of the following is NOT an operation in relational algebra?