Slide 1Lecture 10: Relational Algebra Slide 2 Relational Algebra A formalism for creating new relations from existing ones Its place in the big picture: Declarative query…
Slide 1 Relational Algebra Maybe -- SQL Slide 2 Confused by Normal Forms ? 3NF BCNF 4NF If a database doesn’t violate 4NF (BCNF) then it doesn’t violate BCNF (3NF) !…
Slide 1 Lecture 22: Relational Algebra Friday, November 19, 2004 Slide 2 DBMS Architecture How does a SQL engine work ? SQL query relational algebra plan Relational algebra…
Slide 1Relational Algebra 2 Slide 2 Relational Algebra Formalism for creating new relations from existing ones Its place in the big picture: Declartive query language Algebra…