Actually this is incorrect. A joint key will use one index , not two,
On 16/10/06 18:51, "Daniel Stenning" <[EMAIL PROTECTED]> wrote: > Sometimes, in order to avoid the > performance hit of joint keys, developers will create a single text column > holding a concatenation of two other columns such as surname+postcode. This > is done to use a single index as opposed to two. _______________________________________________ Unsubscribe or switch delivery mode: <http://www.realsoftware.com/support/listmanager/> Search the archives of this list here: <http://support.realsoftware.com/listarchives/lists.html>
