Before any changes to database structure are attempted one should first: Options: A . &nbspAll of these B . &nbspcreate a complete backup of the operational database only. C . &nbsptest any changes on a test database only. D . &nbspclearly understand the current structure and contents of the database only.

Before any changes to database structure are attempted one should first:

Question

Before any changes to database structure are attempted one should first:

Options:

A . All of these

B . create a complete backup of the operational database only.

C . test any changes on a test database only.

D . clearly understand the current structure and contents of the database only.

Answer: Option A

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