Discussion:
linking two selects
(too old to reply)
mantrid
2007-11-10 14:08:35 UTC
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I have two select statements below, that I wish to combine into one

SELECT cgttransactions.linkid, cgttransactions.userid,
cgttransactions.myvarid, cgttransactions.companyid,
Sum(cgttransactions.amount) AS SumOfamount, Avg(cgttransactions.price) AS
AvgOfprice, Sum(cgttransactions.stamp) AS SumOfstamp,
Sum(cgttransactions.comm) AS SumOfcomm, cgttransactions.datetime,
cgttransactions.aimlisted
FROM cgttransactions
GROUP BY cgttransactions.linkid, cgttransactions.userid,
cgttransactions.myvarid, cgttransactions.companyid,
cgttransactions.datetime, cgttransactions.aimlisted
HAVING (((cgttransactions.userid)="1") AND ((cgttransactions.myvarid)=1) AND
((cgttransactions.companyid)="1"));



SELECT cgttransactions.linkid, cgttransactions.sellprice,
cgttransactions.sellcomm, cgttransactions.selldatetime
FROM cgttransactions;

the common field is linkid
How do I do this?
Thanks
Michael Austin
2007-11-12 20:13:41 UTC
Permalink
Post by mantrid
I have two select statements below, that I wish to combine into one
SELECT cgttransactions.linkid, cgttransactions.userid,
cgttransactions.myvarid, cgttransactions.companyid,
Sum(cgttransactions.amount) AS SumOfamount, Avg(cgttransactions.price) AS
AvgOfprice, Sum(cgttransactions.stamp) AS SumOfstamp,
Sum(cgttransactions.comm) AS SumOfcomm, cgttransactions.datetime,
cgttransactions.aimlisted
FROM cgttransactions
GROUP BY cgttransactions.linkid, cgttransactions.userid,
cgttransactions.myvarid, cgttransactions.companyid,
cgttransactions.datetime, cgttransactions.aimlisted
HAVING (((cgttransactions.userid)="1") AND ((cgttransactions.myvarid)=1) AND
((cgttransactions.companyid)="1"));
SELECT cgttransactions.linkid, cgttransactions.sellprice,
cgttransactions.sellcomm, cgttransactions.selldatetime
FROM cgttransactions;
the common field is linkid
How do I do this?
Thanks
a google search for mysql and join should provide you with some
interesting links on how and what "joins" are.

This is an example (I in no way am related to this link - it was one of
search result links) :
http://www.codinghorror.com/blog/archives/000976.html

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