I'm no expert, but yes - by default, text indexes are case-insensitive (in english at least). I believe its something to do with the Lexer preferences. The default value of the mixed_case attribute of the basic lexer object is NO.
HTH David Lord > -----Original Message----- > From: Jonathan Gennick [mailto:[EMAIL PROTECTED]] > Sent: 13 June 2002 05:33 > To: Multiple recipients of list ORACLE-L > Subject: Oracle Text index question, somewhat urgent > > > I need to ask a question of someone who understands Oracle Text > indexes. So if you know Oracle Text, please read on. > > I was told that if I had a query such as the following: > > SELECT falls_name > FROM waterfalls > WHERE INSTR(UPPER(falls_directions), > 'MACKINAC BRIDGE') <> 0; > > where falls_directions is a CLOB, that I can define a case-insensitive > index using Oracle Text and then use CONTAINS to execute the query > more efficiently: > > SELECT falls_name > FROM waterfalls > WHERE > CONTAINS(falls_directions,'mackinac bridge') > 0; > > Is this correct? Is there such a thing as a case-insensitive index in > Oracle Text? I did take a quick look at the Oracle Text manual, but > this capability didn't leap out at me. Is "case-insensitive" the term > Oracle Text uses? In any case, I need to verify whether what I've been > told is correct. > > Jonathan Gennick --- Brighten the corner where you are > mailto:[EMAIL PROTECTED] * 906.387.1698 > http://Gennick.com * http://MichiganWaterfalls.com * > http://ValleySpur.com > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: Jonathan Gennick > 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). > ********************************************************************** This message (including any attachments) is confidential and may be legally privileged. If you are not the intended recipient, you should not disclose, copy or use any part of it - please delete all copies immediately and notify the Hays Group Email Helpdesk at [EMAIL PROTECTED] Any information, statements or opinions contained in this message (including any attachments) are given by the author. They are not given on behalf of Hays unless subsequently confirmed by an individual other than the author who is duly authorised to represent Hays. A member of the Hays plc group of companies. Hays plc is registered in England and Wales number 2150950. Registered Office Hays House Millmead Guildford Surrey GU2 4HJ. ********************************************************************** -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Lord, David - CSG 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).
