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) !
Parallel and distributed databases R & G Chapter 22.
Integrity Constraints An important functionality of a DBMS is to enable the specification of integrity constraints and to enforce them. Knowledge of integrity.
