Subject: Advanced Database Systems $($CIS $0440)$Question $1$:

"What is Boyce$-$Codd Normal Form $($BCNF$)$ in database normalization, and

what conditions must tables meet to be classified in this form"?

Question $2$:

$R(A,B,C,D,E)\{ABCD,DE,AC,BD\}$

Find the BCNF decomposition of the above relation?