A generic trigger?

Hi,

Am looking for a way to minimize the amount of fuctions that support triggers.
E.g., there's "company" and "company_backup" tables. Update trigger on the
"company" table will put a record in the "company_backup" table whenever
"company" record is updated.

The problem is that there's quite a few other tables for which similar backup
logic has to be done (e.g. "custormer" and "customer_backup", etc). The backup
logic is the same, only structure of the tables changes.

Is there a way to write a generic trigger/function that would deal with backup
regardless of the table structure?

Thanks in advance.

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