Why is it necessary to put as little as possible into the base?

Question

Database design

Why is it necessary to put as little as possible into the base?
Can there tasks according to the schedule to execute, on triggers of procedure to execute, a part of other logic there to transfer?
Just because it's inconvenient to back up and deploy this business?

Answer 1

This leads to blurring of logic , part of the functionality in one place, part in another.

Answer 2

What if the database type needs to be changed? A rare occurrence, but still.

Answer 3

put as little as possible into the base

how less than what? )
if logic, then, as already written, the logic should be in one place (and all the logic in the database usually does not fit).
if data, then this is a strange statement.