General information
Category:
Databases,Tables, Views, Indexing and SQL syntax
Title:
SQL Select in large tables
Hi,
I have big problem .... Please, help me !!!!!!!
I have two tables INVOCES /500 records/ and INVDET /26000 recs/ . To print invoces i use command :
SELECT invoices.*,invdet.*,invdet.td as to;
FROM invdet,invoices;
WHERE invdet.invoiceid=invoices.invoiceid;
AND invoices.invoiceid=THISFORMSET.vlinvoiceid;
AND !DELETED("invdet");
ORDER BY art;
INTO CURSOR inv_prn .
It work fine.
When records in INVOICES passes 5000 and INVDET - 50000 this command generate empty cursor . To edit invoice i use "local view". When I update this view SELECT command work fine.
Why ?
VFP6.0 SP5 , Win98SE.
Krasimir Georgiev
Sofia
Bulgaria
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