database-design - 正規化: 3NF から BCNF、4NF & 5NF への変換

Question

次のスキーマの 3NF プロセスを 5NF に変換するにはどうすればよいですか?

Member (memcode,name,title,address,sex,dob,occupation).
Occupation_Category (occupation,category).
Region (address,region).
Member_Response (memcode,subject,num-sent,num-replied).
Offer_Details (offercode,title,subject).
Offer (offercode,date,price,num-sold ).
Offer_Target (offercode,date,target-category,age-group,target-region).
Supplier (suppcode,name,address,phoneno).
Item (itemcode,description).
Item_in_Offer (offercode,itemcode,qty).
Item_Supplier (offercode,itemcode,suppcode).

Answer 1

Member (memcode,name,title,address,sex,dob,occupation).
Occupation_Category (occupation,category).
Region (address,region).
Member_Response (memcode,subject,num-sent,num-replied).
Offer_Details (offercode,title,subject).
Offer (offercode,date,price,num-sold ).
Offer_Target (offercode,date,target-category,age-group,target-region).
Supplier (suppcode,name,address,phoneno).
Item (itemcode,description).
Item_in_Offer (offercode,itemcode,qty).
Item_Supplier (offercode,itemcode,suppcode).