Get the latest date DML for all tables

Hi gurus,

Version - ORacle 11i

I need to get a list of the tables that was not 'DML used' for a long time (updates/Inserts / (and selects too if available)). I searched for this in the forum and found 3 methods I used

1 insert/update dtm
----------------------------------
  SELECT DISTINCT table_name, T.COLUMN_NAME
    FROM all_tab_cols t
   WHERE UPPER (T.COLUMN_NAME) LIKE 'UPD%'
         OR    UPPER (T.COLUMN_NAME) LIKE 'INSERT%'
           AND T.OWNER = 'STG'
           AND T.DATA_TYPE IN ('TIMESTAMP', 'DATE')
ORDER BY column_name

Issue- Not all the tables have inaert/upd dtm
2 all_tab_modifications
-------------------------------------
  SELECT table_Name, timestamp
    FROM all_tab_modifications t
   WHERE T.TABLE_OWNER = 'STG'
ORDER BY timestamp ASC

Issue - Not all tables are monitored
3 ORA_ROWSCN
------------------------------------------
select MAX(ORA_ROWSCN), SCN_TO_TIMESTAMP(MAX(ORA_ROWSCN)) from stg.XXXXXX

Issue- This throws error MAX(ORA_ROWSCN) is not a valid input . ie for really old tables this throws error.
How do I get there?

Thank you
S

957793 wrote:
Thank you peter.

But one thing I noticed, sometimes at the time where I start an analysis table calculates statistics, the table disappears from the all_tab_modifications

Thank you
S

Yes, makes the Act of analyzing a table disappears from the view of xxx_tab_modifications. It is because this view follows changes in the analyzed table have been modified in order to analyze the self employment can tell whether or not it must be analused "today."

Assuming that you use more or less the default policy analysis that Oracle puts in place, it would be a pretty safe assumption that any which table not in xxx_tab_modifications had to be a substantial (as defined by the auto scan parameters) activity dml recently, or in other words did not have an important activity for a long time. You can make a difference based on the last_analyzed_date column in the xxx_tables view.

John

Tags: Database

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