Relational Calculus
A non-procedural query language called relational calculus is used to retrieve data from relational databases. Thanks to this mathematical based system, users can describe what they want to retrieve from a database without specifying how to do so. Note: There are two types of quantifiers: Universal Quantifiers: The universal quantifier, denoted by ∀, is read as […]
February 22, 2023 | DBMS | No comments