Plateforme Level Extreme
Abonnement
Profil corporatif
Produits & Services
Support
Légal
English
Color of disable - gray
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Divers
Thread ID:
00455216
Message ID:
00457873
Vues:
34
>>>>I am looking more and more at ROWGUIDs for my surrogate PKs, but I am not sure about the performance implications, compared to integer PKs.
>>>
>>>That's a good alternative, Chris. I'm using indentity columns because SQL Server (at least 7.0) does the work of creating the surrogate key for me. Then again, I'm lazy.< bg >
>>
>>You can set the default of a uniqueidentifier (i.e. GUID) column to NewID(), which generates the GUID for you.
>
>Thanks for the heads up, Trey. I'm pretty much a newbie with SQL Server so I haven't learned all the ins and outs.< Heads off to Whil's site to order Gary DeWitt and Chaim's book the the subject >

You will find that the book is much too rudimentary to have any real value. You'd be better off going with something a little more industrial strength.
Précédent
Suivant
Répondre
Fil
Voir

Click here to load this message in the networking platform