[EMAIL PROTECTED] wrote: > > Hi, > > If I have a function based index such as > CREATE INDEX emp_idx01 on emp(SUBSTR(first_name,1,20)) > > Is there a way to build index where 1,20 portion can be parameterized? If > so how would this be done? > > Thanks > Rick >
No. The function is simply applied to the column when the index is created, so it's fairly 'static'. My guess is that the index could possibly be used for a search on substr(first_name, 1, 10), � la like 'something%' but I have not tried it. -- Regards, Stephane Faroult Oriole Software -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Stephane Faroult INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
