Woodie Posted August 31, 2003 Share Posted August 31, 2003 Hope soembody can help me! I have two tables. One has the names of teams and a primary key identifying the team. The other table has list of fixtures using the team IDs and time stamps of the fixtures. TableTeams teamID TeamName TableFixtures fixID HomeTeamID awayTeamID timStam I want a query that will list all the teamnames given in TeamName that DO NOT appear in the Fixtures table when timStam is between two specified values! Please Help I have tried several times with the only succes not getting an error! Quote Link to comment https://forums.phpfreaks.com/topic/966-left-join-query-help-needed/ Share on other sites More sharing options...
Dissonance Posted August 31, 2003 Share Posted August 31, 2003 [php:1:3b4f32b051] $sql = \"SELECT TeamName FROM TableTeams WHERE TeamName.teamID != TableFixtures.HomeTeamID AND TeamName.teamID != awayTeamID AND TableFixtures.timStam > [value1] AND TableFixtures.timStam < [value2]\" [/php:1:3b4f32b051] Value 1 and Value 2 will be your two limiting values, obviously. In all honesty, though, I think you\'re better off using two separate queries. This type of join isn\'t very efficient, imo. Quote Link to comment https://forums.phpfreaks.com/topic/966-left-join-query-help-needed/#findComment-3259 Share on other sites More sharing options...
Barand Posted August 31, 2003 Share Posted August 31, 2003 To do it without subquries you\'ll need to create a temporary table [php:1:0a0e51b533]<?php mysql_query( \" create table tmpfix (teamID int, fixID int)\"); mysql_query( \"INSERT INTO tmpfix SELECT HomeTeamID, fixID FROM tablefixtures WHERE timStam BETWEEN \'$a\' and \'$b\'\"); mysql_query( \"INSERT INTO tmpfix SELECT awayTeamID, fixID FROM tablefixtures WHERE timStam BETWEEN \'$a\' and \'$b\'\"); $res = mysql_query(\"select teamname from teams t left join tmpfix f on t.teamID = f.teamID where f.fixID is NULL\"); ?>[/php:1:0a0e51b533] hth Quote Link to comment https://forums.phpfreaks.com/topic/966-left-join-query-help-needed/#findComment-3261 Share on other sites More sharing options...
Woodie Posted September 1, 2003 Author Share Posted September 1, 2003 Thanks for the tips I will try it out and see what happens! Quote Link to comment https://forums.phpfreaks.com/topic/966-left-join-query-help-needed/#findComment-3283 Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.