Plateforme Level Extreme
Abonnement
Profil corporatif
Produits & Services
Support
Légal
English
FoxPro SQL Tables and testing dates for Empty or Null
Message
 
À
07/12/1998 13:38:15
Andy Roth
Neyenesch Printers
Californie, États-Unis
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Divers
Thread ID:
00164563
Message ID:
00165269
Vues:
18
>>The correct SQL syntax is usually :
>>
>>SQLEXEC(1,'SELECT bbjthead where closedate is null','test')
>>
>>SQL Server/Oracle
>
>Thanks. That worked.
>
>Now I'm trying to test for and empty date time field
>and getting a -1 on the SQLEXEC()
>
>SQLEXEC(1,'SELECT bbjthead where closedate is null OR closedate ={}','test')
>
>Once I get that I will test for clsedate is null Or closedate={} and
>the same 2 possible conditions for another field cancldate
>
>SQLEXEC(1,'SELECT bbjthead where (closedate is null OR closedate ={}) AND(cancldate is null OR cancldate ={}) ','test')
>
>Along those lines is it possible to open a SQL Database and use the
>Query build native to FoxPro to build queries then edit them later?

I don't think {} is understood in SQL Server as an empty date. I haven't used Oracle yet. In SQL Server a date is either NULL or 01/01/1900.
DLC
DLC
"Use the Right Tool for the Job!"
davidandcynthia@email.com
Précédent
Suivant
Répondre
Fil
Voir

Click here to load this message in the networking platform