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ODBC WHERE Syntax Blank Data


I am using the ODBC Extender with the dBase 5.0 ODBC driver and need to use something like the following:
WHERE (address1 = '' OR city = '' OR state = '' OR zip = '')
Apparently, the syntax is correct, because the qExecDirect statement returns @qSuccess. However, its not returning any results (which I know there are). If I do a bunch of IF statements (simulating the above WHERE line) it works. I was wondering if perhaps the = '' was incorrect.


I am not sure that is valid SQl statment. You are really trying to search for NULL data. Try using IS NULL instead of = ''.

User Reply:

Looks like "is NULL" works, thanks
Article ID:   W16837
File Created: 2017:07:28:13:58:32
Last Updated: 2007:07:03:14:26:29