If the table has a primary key, you can also combine the parallel hint with index_ffs on that primary key which is by far the fastest way of doing count(*).
On 2002.09.19 16:18 "Suri, Deepak" wrote: > I have in the past used parallel hints to speed up a count(*) kind of full > table scan query. > > thanx > deepak > > -----Original Message----- > [mailto:[EMAIL PROTECTED]] > Sent: Thursday, September 19, 2002 2:28 PM > To: Multiple recipients of list ORACLE-L > > > Hi Gurus, > > In one of our insert intensive application we are inserting around 3-4 > million rows / hour. Also this app needs to do a count(*) of the tables > every 10 minutes for verifying some application based logic. This is really > killing us and it takes a lot of time. > > Can you please guide me to a direction ( built in functions or something > similar). > > Actually this app is being ported from Informix. Informix can somehow keep a > trak of the count(*) of a table in its header somewhere. > > And yes I have tries count(1) , count(indexed_column) etc. > > > Thanks In Advance. > > R.h > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > 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). > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: Suri, Deepak > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > 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). > -- Mladen Gogala -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Mladen Gogala INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- 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).
