Which of the following is not a relational algebraic operation that is developed specifically for the relational databases?

Related MCQs

• Which of the following is not a relational algebraic operation that is not form the set theory?
• The operation which is not considered a basic operation of relational algebra is
• Once the lower-level lock is released, the operation cannot be undone by using the old values of updated data items, and must instead be undone by executing a compensating operation; such an operation is called
• 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 products was an early implementation of the relational model developed by E.F. Codd of IBM?
• The most commonly used operation in relational algebra for projecting a set of tuple from a relation is
• In contemporary databases, the top level of the hierarchy consists of              each of which can contain            
• …………… database is used as template for all databases created.
• What is the main limitation of Hierarchical Databases?