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Verifying two SQL commands
Message
 
 
À
20/02/2008 15:37:17
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 9 SP1
OS:
Windows XP SP2
Database:
Visual FoxPro
Divers
Thread ID:
01294455
Message ID:
01294459
Vues:
11
This message has been marked as the solution to the initial question of the thread.
Try
SELECT * From MyTable WHERE LEN(RTRIM(MyField))>0
>So far, when having the need to get all records where a specific field is not empty, I was using something like this:
>
>
>SELECT * From MyTable WHERE LEN(ALLTRIM(MyField))>0
>
>
>But, I need to adjust that SQL so it would fit for either VFP or SQL Server. So, I thought about something like this:
>
>
>SELECT * From MyTable WHERE MyField>""
>
>
>or
>
>
>SELECT * From MyTable WHERE MyField>" "
>
>
>But, to my surprise, only the 2nd one works. The first one doesn't return any record. Isn't the first suppose to be the same as the second one?
--sb--
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