Database design 标准化：从3NF转换为BCNF、4NF&；5NF_Database Design_Database Schema

Database design 标准化：从3NF转换为BCNF、4NF&；5NF

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Database design 标准化：从3NF转换为BCNF、4NF&；5NF,database-design,database-schema,Database Design,Database Schema,对于以下模式，如何将3NF进程转换为5NF 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 (

对于以下模式，如何将3NF进程转换为5NF

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).

您打算进行哪些更改以进行此转换，为什么？请注意，这些形式（依次为3NF、BCNF、4NF、5NF）都比前面的形式更具限制性。如果你不确定每个表单的具体要求，维基百科会很好地解释它们。

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).