No there is not a single bitmap indexes. We had previously but than removed all and converted to normal b-tree indexes.
----- Original Message ----- To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]> Sent: Wednesday, September 04, 2002 4:58 PM > Marul, > > Are there any bitmapped indexes on the table > > Iain Nicoll > > -----Original Message----- > Sent: Wednesday, September 04, 2002 11:28 AM > To: Multiple recipients of list ORACLE-L > > > Marul, > > 10k records in 1 hour(3600 seconds) > > 1 record in 3600/10000 => approx 0.36 seconds > > If your application is OLTP you'll be inserting records 1 by 1 rather than > in > bulk. Which means the effect will hardly be noticed. > > If you are going to insert record in bulk you can DROP and then recreate the > indexes after load. > > Check what takes more time. > > See if there is any scope of partitioning the table, to use local > partitioned > indexes. > > For bulk load, disabling the constraints is also an option. > > Naveen > > -----Original Message----- > Sent: Wednesday, September 04, 2002 3:13 PM > To: Multiple recipients of list ORACLE-L > > > Thanks for the immediate reply > But my requirement is such that I cannot reduce the indexes. There are lots > of selects happeneing on this table based on these indexed columns. Our > entire application is about to move in the production environment and we > cant change our DB design at this time. > > Please suggest > > TIA, > Marul. > > > ----- Original Message ----- > To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]> > Sent: Wednesday, September 04, 2002 1:33 PM > > > > Yep and you have given the answer yourself. It is the number of indexes. I > > think that if the number of records increase the number of levels increase > > and slowly but surely you need to update more and more blocks. I have done > > sone tests (an oher people I am sure) that show that there is an expontial > > increase in the amount of undo and redo generated for every index that > gets > > added into the mix. > > > > You will probably see an increase in CPU time (assuming that you are the > only > > process/session on the system). > > > > Anjo. > > > > > > On Wednesday 04 September 2002 08:53, you wrote: > > > Hi All, > > > > > > We have a table which can contain more than half a million records. When > we > > > try to insert some 10k records in the empty table it get inserted in 10 > > > min. but as the size increases time taken to insert also increases. > After > > > 350,000 records it takes around an hour to insert 10k records. There are > > > around 15 columns in it out of which 11 are indexed. There is one > > > concatenated function-based index on two columns of Varchar type and two > > > separate index for the same two columns. > > > > > > I have checked the free space for the tablespaces to which the table and > > > indexes are attached to. They are in two separate tbs. > > > > > > Any clues why this is happenning. > > > > > > > > > TIA > > > Marul. > > > > > > -- > > Please see the official ORACLE-L FAQ: http://www.orafaq.com > > -- > > Author: Anjo Kolk > > 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). > > > > > > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: Marul Mehta > 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). > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: Naveen Nahata > 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). > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: Nicoll, Iain \(Calanais\) > 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). > > -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Marul Mehta 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).
