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Right method to enforce Composite Primary Key
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Ok, I'm rephrasing my question here -
What would be the most elegant and/or appropriate method to enforce/implement Primary key constraints in Visual Basic for an Oracle Database both composite and single ?
I'd like to gracefully alert the user that their set of data(which constitute the primary keys) is already present in the database - Should I query the table(s) before saving the record ? or else how ? Thank you,
RR.
__________________________________
The best is yet to come.
What would be the most elegant and/or appropriate method to enforce/implement Primary key constraints in Visual Basic for an Oracle Database both composite and single ?
I'd like to gracefully alert the user that their set of data(which constitute the primary keys) is already present in the database - Should I query the table(s) before saving the record ? or else how ? Thank you,
RR.
__________________________________
The best is yet to come.
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