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Is it possible to do something like this? Make a new logical file, keyed on part # and date (descending order) and then somehow read only one record per part number? By having the date part of the key and descending, then the first record is the one you want although I notice this is really only a 13 month solution. In <5C9FB14C1@jakarta.wasantara.net.id>, on 12/04/98 at 08:29 PM, Satria Suryahadi <satria@jakarta.wasantara.net.id> said: >Dear query/400 experts..., >End user request concerning modification of an interactive CL pgm which >call 6 queries I create last year is really bugging me. Is anyone out >there can give me tips to make my queries works better and efficient?. >Here is the case, there is one transaction physical file that looks like >this: >(Sorted by Stock#-Ascending, and PODate-Descending) >Stock# Description UnitCost PO# PODate >Vendor# A0101001 BUSHING; 1 KV/250 A 48.000 DE0021 98/10/20 >FE001 A0101001 BUSHING; 1 KV/250 A 46.000 PE0012 98/05/13 >LE012 A0101001 BUSHING; 1 KV/250 A 44.000 DE0003 97/11/24 >LA123 A0101001 BUSHING; 1 KV/250 A 46.000 DE0021 97/10/05 >FD034 A0101001 BUSHING; 1 KV/250 A 47.000 DE0021 98/10/20 >LC005 >A0101002 COPPER BLA BLA.. 123.000 CE0123 98/05/12 DE012 >A0101002 COPPER BLA BLA.. 130.000 BE0221 98/01/13 LE013 >A0101002 COPPER BLA BLA.. 120.000 DE0028 97/09/24 LA123 >A0101002 COPPER BLA BLA.. 100.000 LE0321 96/10/04 FD034 >A0101002 COPPER BLA BLA.. 128.000 BE0009 95/08/21 LC005 >A0101003 OTHER BLA BLA.. 490.000 PE0320 98/09/13 CE013 > More... >Expected query result is to get the most current UnitCost of every >Stock#, which looks like this: >Stock# Description UnitCost PO# PODate >Vendor# A0101001 BUSHING; 1 KV/250 A 48.000 DE0021 >98/10/20 FE001 A0101002 COPPER BLA BLA.. 123.000 >CE0123 98/05/12 DE012 A0101003 OTHER BLA BLA.. 490.000 >PE0320 98/09/13 CE013 > More... >My CL pgm call 6 queries which process 5 physical files and heavily use >QTEMP library, NOW it takes 10 minutes to get the result (F10, CISC). I >try to find the solution in Query/400 manual but I can't find useful >tips. >Please don't mention RPG at this time, since I'm in hurry :-) > >Thanks in Advance, >Satria >+--- >| 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 >+--- -- ----------------------------------------------------------- boothm@ibm.net Booth Martin ----------------------------------------------------------- +--- | 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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