This is a discussion on Re: [PHP] incrementing a number from a text file within the PHP General forums, part of the PHP Programming Forums category; On Mar 15, 2005, at 11:24 AM, Richard Lynch wrote: > BAD (probably): >>>>> Select ...
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On Mar 15, 2005, at 11:24 AM, Richard Lynch wrote: > BAD (probably): >>>>> Select blablabla FROM t1,t2,t3 >>>>> WHERE customers LIKE '%$s%' >>>>> OR name LIKE '%$s%' >>>>> OR domain LIKE '%$s%' >>>>> OR email LIKE '%$s%' >>>>> OR log LIKE '%$s%' >>>>> AND t1.id = t2.t1_id >>>>> AND t1.id = t3.t1_id > > GOOD (usually): >>>>> Select blablabla FROM t1,t2,t3 >>>>> WHERE (customers LIKE '%$s%' >>>>> OR name LIKE '%$s%' >>>>> OR domain LIKE '%$s%' >>>>> OR email LIKE '%$s%' >>>>> OR log LIKE '%$s%') >>>>> AND t1.id = t2.t1_id >>>>> AND t1.id = t3.t1_id > > Note parentheses added around OR expressions. > I see. Thanks for the info. -- Kurt Yoder http://yoderhome.com |