Your ordering is not your typical for a query.
And you say "there" instead of "where".
Your query should be structure like this:
SELECT <fields> FROM <table>, <table>,... LEFT JOIN <table> ON <join condition> LEFT JOIN <table> ON <join condition> LEFT JOIN <table> ON <join condition> ... WHERE <filter condition>
I'm surprised your query worked at all.
On Wednesday, November 12, 2003, at 05:20 PM, Kim G. Pedersen wrote:
the little Query1 works until I add the left join :
Query 1 ) Select A.DepartmentName,A.Address,P.Postcode,P.cityname from caddress A,cpostinfo P there A.ID=10 and A.PostInfoID=P.ID
Query 2) Select A.DepartmentName,A.Address,P.Postcode,P.cityname, CP.firstname
left Join CContactPerson CP , caddresscontactperson CACP ,ccontactinfo
CCI on CP.ID =1001 and CACP.ContactpersonID=CP.ID and
CACP.AddressID=A.ID and CACP.ID=CCI.AddressContactPersonID and
CCI.AddressID=-1 and CCI.ContactInfoTypeID=1
from caddress A,cpostinfo P there A.ID=10 and A.PostInfoID=P.ID
Query1 return : -> company , streeet ,2000,copenhagen
Query2 return : -> Empty
I know that the jeft join will give zero result , since the table caddresscontactperson are empty.
But I do not Understand Why I not get -> company , streeet ,2000,copenhagen , NULL
Normally a left join should not effect ur result.
-- Brent Baisley Systems Architect Landover Associates, Inc. Search & Advisory Services for Advanced Technology Environments p: 212.759.6400/800.759.0577
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