Lecture 10: Relational Algebra. Relational Algebra A formalism for creating new relations from existing ones Its place in the big picture: Declarative.
Relational Algebra 2. Relational Algebra Formalism for creating new relations from existing ones Its place in the big picture: Declartive query language.
1 Lecture 7: Query Execution and Optimization Tuesday, February 20, 2007.
Lecture 22: Relational Algebra Friday, November 19, 2004.
