Re: mysql_insert_id() and JOIN

From: Date: Mon, 13 Jul 2009 14:46:33 +0000
Subject: Re: mysql_insert_id() and JOIN
References: 1 2 3  Groups: php.db 
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[snip] > Sorry my question... but why I must use JOIN if I can use SELECT * FROM > table1 AND table2 AND table3 WHERE table1.id=table2.id=table3 not? > thanks > > +                                                               >            _ [/snip] select table1.field1, table1.field2, table2.field3, table2.field4, table3.field5 from table1, table 2, table3 where table1.id=table2.id and table1.id = table3.id vs select table1.field1, table1.field2, table2.field3, table2.field4, table3.field5 from table1 inner join table2 on table1.id = table2.id outer join table3 on table1.id = table3.id The first statement only does INNER JOINS, the seconds allows for INNER and OUTER joins, so its more flexible in terms of what you want the data to be Bastien

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