Re: easy way to tell when table last accessed?

Romeo Olympia wrote:

> Just a note that Daniel must have forgotten to mention.
>
> The MONITORING clause for tables, the main purpose of which is for
> detecting "staleness" of statistics for automated gathering, will only
> record DMLs done on the table (eg. UPDATE, INSERT, DELETE). So if the
> OP defines "last accessed" as including plain queries, then this will
> not cover that.
>
> Cheers!
>
> Daniel Morgan <damorgan_at_x.washington.edu> wrote in message news:<1097197964.796816_at_yasure>...
>

>>c wrote:
>>
>>
>>>Rene Nyffenegger <rene.nyffenegger_at_gmx.ch> wrote in message news:<slrncm8tqj.3tk.rene.nyffenegger_at_zhnt60m34.netarchitects.com>...
>>>
>>>
>>>>In article <250e5e6c.0410061250.3f69c474_at_posting.google.com>, c wrote:
>>>>
>>>>
>>>>>We need to identify old unused tables and wondering if anyone knows
>>>>>nifty commands for determining this? Thanks.
>>>>
>>>>Look into audit (SQL). However, you need to audit the tables in question
>>>>for a while in order for it to be usable for your purposes.
>>>>
>>>>hth
>>>>Rene
>>>
>>>
>>>Silly me. The oracle version is 9.2.0.3
>>>
>>>c
>>
>>Then seriously consider the MONITOR clause for CREATE TABLE and ALTER TABLE.

Sorry about hitting the "Send" button too soon. What I meant to say was:

Correct. Though if the table has indexes one can also monitor indexes for usage.

-- 
Daniel A. Morgan
University of Washington
damorgan_at_x.washington.edu
(replace 'x' with 'u' to respond)