(Sno,Sname,Cno,Tname,Taddress),(Sno,Sname,Cno,Cname,Grade)∈INF (Sno,Sname),(Sno,Cno,Crade,Tname,Taddress),(Cno,Cname)∈2NF (Sno, Sname),(Sno, Cno, Grade),(Tname,Taddress),(Cno,Cname) (Sno, Sname),(Sno, Cno, Grade),(Tname ,Taddress),(Tname, Cno),(Cno,Cname)∈BCNF