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| VB Demo Super Slow on select from invoice |
| Author |
Message |
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| Posted : 2008-08-20 04:50:18 |
First I get my account number
select listid from customer where accountnumber = '10001'
and I get 80000031-1197388757 returned
Then I try to
select * from invoice where customerreflistid = '80000031-1197388757' but it just runs and runs forever
Any ideas as to why? |
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| Tom |
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| Group | : Administrator |
| Posts | : 5510 |
| Joined | : 2006-02-17 |
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| Profile |
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| Posted : 2008-08-20 08:31:07 |
Well that query would extract every invoice for the customer, it would be better to target just invoices this year like this:
select * from invoice where TxnDate > {d'2007-12-31'} and CustomerRefListID='80000031-1197388757'
If your optimized table is up to date, then this is even faster:
select * from invoice NOSYNC where TxnDate > {d'2007-12-31'} and CustomerRefListID='80000031-1197388757'
See: How do I setup the QODBC Optimizer? Where are the Optimizer options? for more information.
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