Duplicate entries for same primary key

Hi,
I am facing problem to insert 2 or more than 2 entries for same PRIMARY KEY in the database table.
As I know that we cant do that. But Client has given me the XL sheet which contains 2 entries for same primary key. How can it be done? Please let me know how can I insert 2 data for same primary key in database table.
Waiting for your answers.
Thanks in advance.
Regards,
Prasanna

Hi,
You can achieve this .... All you have to do is to add a new field (a Sequence Number ) to the table. This number will be incremented for each duplicate primary keys. For example....
Consider the excel file has duplicate entries 3 primary keys. Now you add a new field named Sequence Number in your DB Table.....
When you load the data into Database...then the records will look like this...
Key1     Key2    Key3    Seq
A          B          C           1
A          B          C           2
A          B          D           1
A          B          D           2
A          C          D           1
A          C          E           1
and so on...
I hope this solves your purpose.....
Whenever there are duplicate entries, such as the one mentioned in your scenario, then a new field can be added in Database. This field acts like a count or sequence number.... Thus you can maintain unique records.
Regards,
Vara
Regards,
Vara

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null

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h1. Environment
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Edited by: 900471 on 2011. 12. 3 오전 5:32
Edited by: 900471 on 2011. 12. 3 오전 5:33
Edited by: 900471 on 2011. 12. 3 오전 5:33
Edited by: 900471 on 2011. 12. 3 오전 5:34

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http://wiki.eclipse.org/EclipseLink/Examples/JPA/2.0/DerivedIdentifiers
Best Regards,
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