SQL is based on relational calculus rather than relational algebra, which is why it's declarative. Relational algebra is built on fundamental relational operato

SQL is based on relational calculus rather than relational algebra, which is why it's declarative. Relational algebra is built on fundamental relational operators (select, project, filter, product etc) which are imperatively applied. You can find out more about it here https://techdifferences.com/difference-between-relational-algebra-and-relational-calculus.html https://techdifferences.com/difference-between-relational-al...