* Introduction to Database Systems CSE 444 Lecture 20: Query Execution: Relational Algebra May 21, 2008 * DBMS Architecture How does a SQL engine work ? SQL query  relational…

Relational Algebra Relational Algebra Formalism for creating new relations from existing ones Its place in the big picture: Declartive query language Algebra Implementation…

Lecture 10: Relational Algebra 1 Relational Algebra A formalism for creating new relations from existing ones Its place in the big picture: Declarative query language Algebra…

Lecture 10: Relational Algebra 1 Relational Algebra A formalism for creating new relations from existing ones Its place in the big picture: Declarative query language Algebra…

Relational Algebra Relational Algebra Formalism for creating new relations from existing ones Its place in the big picture: Declartive query language Algebra Implementation…