Information générale
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
>I have a table that has six fields which hold IDs from the same table. Each field can have different IDs. Example:
>
>Contract Table:
>
>ContractID
>CustID1
>CustID2
>CustID3
>CustID4
>CustID5
>CustID6
>
>
>Customer Table:
>
>CustID
>First Name
>Last Name
>
>In the Contract table the CustIDx fields are all referencing the same Customer table. However, CustID1 will be different than CustID2, etc.
I was wondering why you have those six CustIDx fields. It suggests that your tables aren't normalized. Are there really exactly six customers associated with each contract?
Précédent
Suivant
Répondre
Voir le fil de ce thread
Voir le fil de ce thread à partir de ce message seulement
Voir tous les messages de ce thread
Voir tous les messages de ce thread à partir de ce message seulement