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How to deal with potential duplicates as a result of the data

How to deal with potential duplicates as a result of the data

How to deal with potential duplicates as a result of the data


I have the following structure:

(Many) Fact > (One) Account (One) > (Many) Customer

Herewith a very simple dataset:


FactId    AccountNumber    Balance
1    100        800
2    200        750
3    300        900
4    400        500
5    500        600

AccountNo    AccountName
100        ABC
200        DEF
300        XYZ
400        MNO
500        JKL

CustNo    AccountNo    CustType    Name    Surname    FullName
1111    100        NaturalPerson    Adam    Smith    Adam Smith
1112    200        NaturalPerson    Joe    Bloggs    Joe Bloggs
1113    200        NaturalPerson    Claire    Gordon    Claire Gordon
1114    300        LegalEntity    NULL    NULL    ACME
1115    400        NaturalPerson    Ben    Blair    Ben Blair
1116    500        LegalEntity    NULL    NULL    TK MAX CO

This is a mortgage solution, and you will see that Account 200 has two joint account holders, Joe Bloggs and Claire Gordon. This will cause the Fact connected to account 200 to be duplicated. How do I handle that?


Hertfordshire, England

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