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Answer Posted / qasim
Data purging is just deleting the old data from the tables
in the database.
In my opinion data purging is not needed in transaction
tables/records such as sales, purchase etc.
Suppose you have a database application, which records
security information like logins, logouts, modifications on
the data or audit trails/history of modifications , then
it is obvious that this information will require additional
space. Since this information will help security
administrators for investigation purpose only you can take
a backup of this information and can delete.
Furthermore its up to your requirement, that at a given
point of time you want to retain data for last (N no of
months) then you can keep, otherwise delete all.
| Is This Answer Correct ? | 36 Yes | 7 No |
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