How to store historical data?

HIII,

I'll be very happy if someone resolve my issue?

I try to maintain historical data, I created a table using the materialized view, and every time I refreshed the table with new values, the old value should change to the history table and the current table should be updated with new values. I use oracle 10g. can someone tell how to do this.


Thankz in advance.

981145 wrote:
I created a view, materialized with the name test.

Simply create table history through copy of the table structure:

create history_table as
select sysdate as date_backup, a.* from m_view a where 1=2

981145 wrote: I will update this materialized view once a month.

define a job with DBMS_SCHEDULER

981145 wrote:
When I refresh the test table should switch to test_hist and test the old values will be updated with new values.

If work is started, it must copy all the data of m_view in the history table:

insert into history_table
select sysdate, a.* from m_view a

and then call the dbms_mview.refresh:

DBMS_MVIEW.REFRESH('M_VIEW', 'C'); --completely refresh

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