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Count null value
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To
27/01/2009 08:49:21
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Windows XP SP2
Network:
Windows XP
Database:
Visual FoxPro
Application:
Desktop
Miscellaneous
Thread ID:
01377290
Message ID:
01377395
Views:
10
>>Hi all,
>>How can I count the fields with .NULL value?
>>Im using an sql with "'count" but always getting the result 0.
>>thanks
>
>
>SELECT COUNT(*) as countnotnull
>,   COUNT(NVL(NULLABLEFIELD,.T.)) as countnullalso;
>,   COUNT(ICASE(ISNULL(NULLABLEFIELD),.T.)) AS countnullonly     FROM ...
>
Incorrect.

>
>SELECT COUNT(*) as countAll
>,   COUNT(NVL(NULLABLEFIELD,.T.)) as countnullalso;
>,   COUNT(ICASE(ISNULL(NULLABLEFIELD),.T.)) AS countnullonly     FROM ...
>
See http://forums.asp.net/p/1374351/2890690.aspx#2890690
If it's not broken, fix it until it is.


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