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one way... use a common table expression... WITH det(fld1, fld2) AS (select detail_key, count(*) from details) SELECT header.*, det.fld2 FROM header JOIN det on header_key = det.fld1 =========================================================== R. Bruce Hoffman, Jr. -- IBM Certified Specialist - AS/400 Administrator -- IBM Certified Specialist - RPG IV Developer "America is the land that fought for freedom and then began passing laws to get rid of it." - Alfred E. Neuman -----Original Message----- From: Patrick L Archibald <Patrick.Archibald@HOMETELCO.COM> To: MIDRANGE-L@midrange.com <MIDRANGE-L@midrange.com> Date: Tuesday, April 10, 2001 2:02 PM Subject: SQL COUNT - detail record count on header records >Hi > >I've racked my brains and searched high and low. >I can't find the correct SQL SELECT statement to >count the number of records in a detail file and >show that count in my header record. > >The following SELECT statement gives me what I want >except I want to see zero in the count field if >there are no matching records in the detail file. > >select a.*, b.count from som.som022clsd as a, (select phonenum, >ordrnmbr, count(*) as count from som.sompfa21 group by phonenum, >ordrnmbr) as b where a.phonenum = b.phonenum and a.ordrnmbr = >b.ordrnmbr and a.conumber = '08' and a.workdate between 20010301 >and 20013030 > >Previously I wanted to sum a total in a detail file and show >it along the header fields but couldn't figure that out either. >Again I want to show zero in the sum field if there are no >matching records in the detail file. > >Can someone please point me in the right direction? > >Thanx, PLA >/ >/ Patrick L Archibald >/ http://HomeTelco.com/pla/ >/ >+--- >| 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 >+--- +--- | 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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