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problem with suqueries |
Sat, Aug 11 2012 8:59 AM | Permanent Link |
Paul Waegemans IMS bvba | I made a query but the result is not correct. What could be the problem. The result is showing records from people that have records in the file com_leden
Attachments: Queryproblem1.jpg |
Sat, Aug 11 2012 4:36 PM | Permanent Link |
Fernando Dias Team Elevate | Paul,
It's perhaps an issue with the precedence of the boolean operators AND and OR. Try to add parenthesis to the expression, it might help you making it more readable and make clear in what order shall the various expressions be evaluated. It's hard to tell you exactly how to do it as I have no idea about what would you consider a correct result. Also, in future please be gentle and post the sql in text format and not as an image -- Fernando Dias [Team Elevate] |
Sun, Aug 12 2012 3:48 AM | Permanent Link |
Roy Lambert NLH Associates Team Elevate | Paul
Have you tried breaking the query down into its components and checked if they all work separately? I've always found it useful to test out the individual chunks in DBSys before combining them. Roy Lambert [Team Elevate] |
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