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Have A Nice Day Gerald T. Bray Email Administrator Handex Environmental, Inc. (352) 735-1800 Ext 145 E-Mail: [EMAIL PROTECTED] -----Original Message----- Sent: Wednesday, February 27, 2002 7:43 AM To: Multiple recipients of list ORACLE-L I know this one has been done to death: use uniform extents to avoid fragmentation; multiple extents don't hurt (within limits). But what if: Data Warehouse, one big table on a single disk, full table (batch) scan, no concurrent transactions on the database (so no contention for the disk), no fragmentation at the file system level, initially empty buffer cache (startup), read-only operation so DBWR isn't doing anything on this disk. Basically I want to read one data file from end to end. Surely it would make sense to have the disk read moving smoothly from one end of the disk to the other rather than bouncing about all over the place as it may do with multiple extents "randomly" allocated. Any thoughts? Thanks - Bill. -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Bill Buchan 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: Babich , Sergey 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).
