Boyce-Codd normal form07-03-bcnf.mp4amazon07-03-q16
vertLeftWhite1
207-03-q1.png
{SSN,cName} is a key for Apply, but cName alone is not. So cName -> state is a BCNF violation.
07-03-q26
vertLeftWhite1
207-03-q2.png
{SSN,cName} is a key so only cName -> state is a BCNF violation. Based on this violation we decompose into A1(cName,state), A2(SSN,cName,date,major). Now both FDs have keys on their left-hand-side so we're done.