7 years ago in Database Management System

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.
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Answers

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Shourya Singh Rawat
Shourya Singh Rawat - 4 years ago

Shourya Singh Rawat from India is saying create a complete backup of the operational database only. is correct answer

Imran Ali
Imran Ali - 4 years ago

Imran Ali from Rawalpindi, Pakistan is saying All of the above should be done. is correct answer

Muhammad Saleem Raza
Muhammad Saleem Raza - 4 years ago

Muhammad Saleem Raza from Lahore, Pakistan is saying All of the above should be done. is correct answer

ranaasif
ranaasif - 4 years ago

ranaasif from Multan, Pakistan is saying All of the above should be done. is correct answer

MUHAMMAD NADEEM
MUHAMMAD NADEEM - 4 years ago

MUHAMMAD NADEEM from Lahore, Pakistan is saying All of the above should be done. is correct answer

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