Plateforme Level Extreme
Abonnement
Profil corporatif
Produits & Services
Support
Légal
English
Can Count(), CASE(), and Distrinct be combined?
Message
 
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
01665760
Message ID:
01665771
Vues:
46
>Hi,
>
>I am trying to count unique values in the field (using SQL Select) if the value is greater than 0
>
>So, here is syntax I use (simplified) (which generates an error):
>
>select count( case when mytable.myfield = 0 then 0 else distinct( mytable.myfield ) end ) as TotCount
>
>
>What is wrong in the above syntax?
>
>TIA

Just for the case of explaining, here is the syntax that works for me:
select count( distinct( mytable.myfield ) ) as TotCount
But the above counts the values of mytable.myfield of 0. And these records are included in the SQL Select. I just don't want to COUNT them.
"The creative process is nothing but a series of crises." Isaac Bashevis Singer
"My experience is that as soon as people are old enough to know better, they don't know anything at all." Oscar Wilde
"If a nation values anything more than freedom, it will lose its freedom; and the irony of it is that if it is comfort or money that it values more, it will lose that too." W.Somerset Maugham
Précédent
Répondre
Fil
Voir

Click here to load this message in the networking platform