How do I partition an Oracle 11g Table? Post: 302928054

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Top Forums Programming How do I partition an Oracle 11g Table? Post 302928054 by gandolf989 on Monday 8th of December 2014 02:13:32 PM

12-08-2014

Registered User

If you are using 11g, then you want to use interval partitioning. Oracle will create a new partition every month for that months data. However, you might find that partitioning by day will work better, since you are working with audit data you might only look at the last day or last couple of days when querying the data. Having smaller level of granularity when used with partition pruning will likely lead to fewer io operator per query. Hence more efficient queries. You might also want to partition by month and sub partition by day. This will make it easier to drop a month at a time when you truncate old data, assuming that you do. You should be able to find plenty of examples for what you want on the web.

https://docs.oracle.com/cd/E18283_01...1.htm#BAJHFFBE

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nnstats

NNSTATS(1m)															       NNSTATS(1m)

NAME

       nnstats - display nnmaster collection and expire statistics

SYNOPSIS

       nnstats [ -lt ] [ -d month day ] [ -m month ] [ logfile ]...

DESCRIPTION

       nnstats	will  extract  the collection (C) and expiration (X) entries from the log file and calculate total and average number of articles,
       groups and elapsed time per day, per month, or for the duration of the whole log file.

       Normally only a summary for the specified period is printed.  If -l is specified, the statistics  for  each  day  in  the  period  is  also
       printed, and if -t is specified the summary is not printed.

       Normally the statistics is collected for all days in the log files (or the current log file if one is not specified).

       If  "-m	month" is specified, the statistics for that month is calculated.  The month is specified in normal date notation, i.e. a capital-
       ized three letter abbreviation like Jan, Feb, ...

       If "-d month day" is specified, the statistics for that date only is calculated and printed.

FILES

       ../Log	The log file

SEE ALSO

       nn(1), nnusage(1M), nnadmin(1M), nnmaster(8)

NOTES

       If nnmaster is run with options -LCX, nnstats will not work, because the necessary entries are not written to the log file.

AUTHORS

       Mark Moraes <moraes@csri.toronto.edu>
       Kim F. Storm <storm@texas.dk>

4th Berkeley Distribution					    Release 6.6 						       NNSTATS(1m)