it doesn't store the number of times it extended but it's easily derived # extensions= (v$datafile.bytes - v$datafile.create_bytes)/sys.filext$.inc
--- "Reardon, Bruce (CALBBAY)" <[EMAIL PROTECTED]> wrote: > Is it possible to determine how many times a file has extended? > > I know that v$datafile.CREATE_BYTES will show what size the file was > initially created at. > And dba_data_files.INCREMENT_BY shows how much each datafile is > currently > set to extend by (number of database blocks). > > But, given that we can manually resize a file and that we can alter > the > value of next for a datafile, does Oracle store how many times each > file has > extended? > > Why is this of interest - this number can be related to / help > explain the > degree of OS fragmentation for the datafile. > > Thanks, > Bruce Reardon > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: Reardon, Bruce (CALBBAY) > 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). __________________________________________________ Do You Yahoo!? Listen to your Yahoo! Mail messages from any phone. http://phone.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Rachel Carmichael 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).
