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ColdFusion -NEWBIE: SQL subquery issues

Martin, Donna M
02/02/2012 02:23 PM

Yes, I do get the idea, and the logic looks good.  I won't have the opportunity to test it out until this evening, but this 'should' do the trick.  I will probably add a WHERE statement in the first query -- something like, WHERE ForYear=2012. Thanks, Nick...really. You might try this in TWO queries - Query One - Get the MemberIDs (Or Emails) of people who paid <cfquery name=" MyQry " datasource="#Application.DSN#" username="#Application.username#" password="#Application.password#">                         SELECT MemberID                         FROM PaymentTable </cfquery> Save those Member IDs to a List <cfset variables.MemberIDList = ValueList(MyQry.MemberID)> Query Two Get Members whose ID NOT IN (variables.MemberIDList) <cfquery name="QryNonPayers" datasource="#Application.DSN#" username="#Application.username#" password="#Application.password#">                         SELECT Email                         FROM MemberTable                             WHERE MemberID NOT IN (variables.MemberIDList) </cfquery> Not tested - but you should get the idea... - Nick Dear all, Okay...It's been a very rough January, and am having a minor brain meltdown. I'm just not coming up with the solution for the following the scenario: I have a PAYMENT table that has a record for each year paid.  All I want to do is come up with a listing of names with email's in the MEMBER table who have not paid for 2012. I'm about to reveal my feable attempt, so here's my code at this point: <cfquery name="Unpaid2012" datasource="#datasource#">  SELECT T.TblName_seq, Email, FName, MName, LName, JrSr, Degree, P.ForYear from (TblName T  LEFT JOIN Payment P      ON T.Tblname_seq=P.TblName_seq)     WHERE T.TblName_seq <> (SELECT TblName_seq From Payment WHERE ForYear=2012) </cfquery> Obviously, I cannot have  the '<>' operator in a subquery with multiple returns, yes?  But how do I fix this? I would great appreciate it if anyone could help out... Thanks in advance. Donna ________________________________ This e-mail message (including any attachments) is for the sole use of the intended recipient(s) and may contain confidential and privileged information. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this message (including any attachments) is strictly prohibited. If you have received this message in error, please contact the sender by reply e-mail message and destroy all copies of the original message (including attachments).

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