RE: Hot tables

I will add that in 9i you can reset the statistics also. This is not available on 8i which reduces the usefulness of the data over time. My daily report for my databases includes a section the pulls info out of dba_tab_modifications sorted by highest activity first.

Ethan Post
perotdba (AIM), epost1 (Yahoo)

-----Original Message-----
Sent: Thursday, July 25, 2002 1:39 PM
To: Multiple recipients of list ORACLE-L

Tom,  

If you are on 8i, how about using an ALTER TABLE <tab> MONITORING on all user tables - schema by schema if you prefer - and looking at DBA_TAB_MODIFICATIONS after a predefined period. My understanding from the Guru (Steve Adams that is!) is that this tracking is achieved in memory via unlatched activity so there is (should) be no performance overhead for turning on this monitoring - this structure is flushed to disk once in 3 hours apparently. 9i takes this further by allowing Indexes to be montored too (haven't tried that yet!)  

Oh-Boy! It is nice to have On-topic queries after all those looooong OT threads.  

Hth,
John Kanagaraj
Oracle Applications DBA
DBSoft Inc
(W): 408-970-7002

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