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Ravi, I assume this displayed the records selected on the screen? If so, did you type "B" and enter to get the last record selected? I'm guessing that this would have taken a long time. short of that, I don't have a clue. Ravi wrote: > > Howdy folks, > > I have a file with about 1/2 million records on our development > machine (V4R2). > > I ran a SQL query from ISQL: > - Select distinct FIELD from FILE. > The query ran in about 2 minutes and gave me the result set with > about 200,000 records. FIELD is not a key field. > > I ran another query from ISQL over the same file/field: > - Select count(distinct FIELD) from FILE. > This query ran for over 10 minutes and returned the count. > Why would this query take so much longer than the first query? I ran the +--- | This is the Midrange System Mailing List! | To submit a new message, send your mail to MIDRANGE-L@midrange.com. | To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com. | To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com. | Questions should be directed to the list owner/operator: david@midrange.com +---
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