The first query creates an inner join between the two tables. Try dumping them into query analyzer and take a look at the execution plan. It'll give you a better idea of what its doing with your queries.
--Jeff On 5/16/2005 3:45 PM, Tim Laureska wrote: > I must be losing it....Why do these two queries return different sets of > results when we're only selecting records from one table (there is only > one company in the members table with a member_id equal to the > session.member_id value of 13 (using sql server 2000): > > 1) THIS YIIELDS AN OUTPUT OF 4 RECORDS > <cfquery datasource="#master_db#" name="test"> > Select m.company > FROM members m, member_categories d > where m.member_id=#session.member_id# AND m.member_id=d.member_id > </cfquery> > > <cfoutput query="test">#company#</cfoutput> > > 2) THIS YIIELDS AN OUTPUT OF 1 RECORD > <cfquery datasource="#master_db#" name="test"> > Select m.company > FROM members m > where m.member_id=#session.member_id# > </cfquery> > > <cfoutput query="test">#company#</cfoutput> > > The table data looks like this: > > MEMBERS table: > 1 record with the primary key being "member_id" - one record with a > member id of "13" > > MEMBER_CATEGORIES table: > A foreign key field called "member_id" with 4 records having a member_id > of "13" > > > > > > > > Tim > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Logware (www.logware.us): a new and convenient web-based time tracking application. Start tracking and documenting hours spent on a project or with a client with Logware today. Try it for free with a 15 day trial account. http://www.houseoffusion.com/banners/view.cfm?bannerid=67 Message: http://www.houseoffusion.com/lists.cfm/link=i:4:206797 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/4 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
