Before any changes to database structure are attempted one should first:-A-clearly understand the current structure and contents of the database only.B-test any changes on a test database only.C-create a complete backup of the operational database only.D-All of the above should be done.-D-All of the above should be done.

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APTITUDE CRACK · Accepted Answer

D All of the above should be done. No answer description is available.

Database Redesign - Technical MCQs

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

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Database Redesign - Technical MCQs

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

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