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How to find bad condition in a complex query

edited Feb 23, 2013 12:34PM in SQL Language (MOSC) 5 commentsAnswered
Hi,

 I have a complex query returns me 0 rows instead of  about 3000 rows.

 This query contains several sub-select and multiple joins between tables with multiple filters and predicats.

 I am looking for a simple method to find the condition is not satisfied that prevents my having my 3000 rows ?

 I thought to trace any query ? Your opinion? Any idea ?

NB: Statistics are not up to date.

Thank you.

GD.

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