Relation algebra

Relation algebra is a formal system used to describe and manipulate relations, which are fundamental concepts in the fields of mathematics and computer science, particularly in databases. It provides a set of operations and algebraic laws that can be applied to relations, allowing for the querying and transformation of sets of data. ### Key Components of Relation Algebra: 1. **Relations**: A relation can be thought of as a table with rows and columns, where each row represents a tuple and each column corresponds to an attribute.