> > I did have a "normal" index on the mls_number, but I can see how "unique" > would be better. >
Yeh, if you can physically define what makes a row unique, do it (if you can't define what makes a row unique, theres something wrong with the table)! Let the database enforce that basic database rule - saves your ass from duplicates down the line too :) Dom On 23/04/2008, Rick Faircloth <[EMAIL PROTECTED]> wrote: > > Well... in this case, all of the properties have a unique mls_number, > so that would work for the property tables. I did have a "normal" index > on the mls_number, but I can see how "unique" would be better. > > Thanks for the help! > > Rick > > > -----Original Message----- > > From: Dominic Watson [mailto:[EMAIL PROTECTED] > > Sent: Wednesday, April 23, 2008 3:43 AM > > To: CF-Talk > > Subject: Re: Need some advice on speeding up query... > > > > Just a note on indexes - every one of your tables should have at least > one > > unique constraint or index *other* than the primary key. This way, the > > primary key is not what makes a row in your table unique - it just > > identifies it for relationship purposes. > > > > This helps to avoid duplicate data and helps speed up query performance > as > > you have found :) > > > > HTH > > > > Dominic > > > > > > On 23/04/2008, James Holmes <[EMAIL PROTECTED]> wrote: > > > > > > Did you try the UNION ALL as suggested by Rizal? This might make it a > > > little quicker as the DB won't have to scan for duplicates. > > > > > > On Wed, Apr 23, 2008 at 11:03 AM, Rick Faircloth > > > <[EMAIL PROTECTED]> wrote: > > > > If I had set up the original db that's providing the > > > > data, it would have definitely been set up differently. > > > > > > -- > > > mxAjax / CFAjax docs and other useful articles: > > > http://www.bifrost.com.au/blog/ > > > > > > > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Adobe® ColdFusion® 8 software 8 is the most important and dramatic release to date Get the Free Trial http://ad.doubleclick.net/clk;192386516;25150098;k Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:304066 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4
