Relational Algebra is

Related MCQs

• The most commonly used operation in relational algebra for projecting a set of tuple from a relation is
• The operation which is not considered a basic operation of relational algebra is
• Relational Algebra is a                      query language that takes two relations as input and produces another relation as an output of the query.
• Which of the following is a fundamental operation in relational algebra?
• Which of the following is used to denote the selection operation in relational algebra?
• Which of the following is not a binary operator in relational algebra?
• Relational Algebra is a __________ query language that takes two relations as input and produces another relation as an output of the query.
• What action does ⋈ operator perform in relational algebra
• What does the “x” operator do in relational algebra?
• Choose the option that correctly explains in words, the function of the following relational algebra expression σyear≥2009 (book ⋈ borrow)