>>>This monstrous query is very hard to read and impossible to understand. Can you break it to managable pieces using either CTE or temp tables?
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>>Hi Naomi - as I said my TSql is very limited - don't know what CTE is and how would temp tables help ? - thanks
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>Hi Pete
>
>if I was attempting to improve the performance of the query I'd first remove all the sub queries in it. See how the basic query performs and how it can be improved . then run the sub queries on their own and do the same for them then put it all back together.

Hi Nicholas, if I remove the sub queries the performance improves dramatically but I don't know of a way to bolt the sub queries back on in an efficient manner ?