After 3nf normalization, give all the sql commands for creating all the tables that you end with.

UNF

Lecturer Number, Lecturer Name, Lecturer Grade, Department Code, Department Name, Subject Code, Subject Name, Subject Level 1NF Lecturer Number, Lecturer Name, Lecturer Grade, Department Code, Department Name Lecturer Number, Subject Code, Subject Name, Subject Level

2NF

Lecturer Number, Lecturer Name, Lecturer Grade, Department Code, Department Name Lecturer Number, Subject Code Subject Code, Subject Name, Subject Level

3NF

Lecturer Number, Lecturer Name, Lecturer Grade