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Can Count(), CASE(), and Distrinct be combined?
Message
De
28/01/2019 16:55:39
Cetin Basoz
Engineerica Inc.
Izmir, Turquie
 
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
01665760
Message ID:
01665776
Vues:
51
>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
select count( distinct  mytable.myfield ) as TotCount from myTable where mytable.myfield <> 0
Çetin Basöz

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