Relational algebra is most often used in practice to
A) Lay the foundation of the underlying logical procedures in querying
B) Create queries that conform to the SELECT….. FROM….. WHERE….. format
C) Create queries using a point-and-click interface that requires little user expertise
D) Create queries that perform only mathematical operations
E) Create queries that perform only logical comparison operations

Question

Quizplus · Accepted Answer

Relational algebra is a formal system for manipulating relations and is used to lay the foundation for the logical procedures in querying databases. It provides a theoretical framework for understanding and implementing query languages like SQL.

Relational Algebra Is Most Often Used in Practice to