best way to track

I have a table that has information project inside. What is the best way to track when changes are made?
Here is an example.

create table testing1 (
projectid varchar2(50),
value1 varchar2(50),
value_date date
);
insert into testing1 (projectid,value1)values ('1a2a3','12345');
insert into testing1 (projectid,value1)values ('1a2a4','12645');
insert into testing1 (projectid,value1)values ('1a2a5','17345');
--select * from testing1
every day, this table is deleted and recreated via a stored procedure, I have running.
I would like to create a new table and a procedure that is below.

If there is a change of value1, I want a new insertion to end the projectid, the new value1 and the sysdate in the column date. If there is no change, there is no insertion.



any help is appreciated.

I'm not looking for someone write everything to me (although it would be amazing), just looking for some ideas on how best to do it.thanks.

http://docs.Oracle.com/CD/B28359_01/server.111/b28313/CDC.htm

Tags: Database

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