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.
Relational Algebra Maybe -- SQL. Confused by Normal Forms ? 3NF BCNF 4NF If a database doesn’t violate 4NF (BCNF) then it doesn’t violate BCNF (3NF) !
