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Exclude empty for both VFP and SQL Server
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To
31/03/2015 15:25:21
General information
Forum:
Visual FoxPro
Category:
Other
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Windows Server 2012
Network:
Windows 2008 Server
Database:
MS SQL Server
Application:
Web
Miscellaneous
Thread ID:
01617497
Message ID:
01617542
Views:
40
No.

>Can the field have NULL values?
>
>>Hi,
>>
>>If I want to exclude empty records from a query for VFP data I would use:
>>
>>select * from MyTable where !empty( MyField )
>>
>>
>>To do the same for SQL server, the query is:
>>
>>select * from MyTable where MyField <> ''
>>
>>
>>If I wanted to have one SQL expression that works for both VFP and SQL, I can do the following
>>
>>select * from MyTable where LEN(rtrim( MyField) ) > 0
>>
>>
>>Is the above efficient method or there is a better approach?
>>
>>TIA
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