5 years ago in Database Management System

Which of the following will NOT eliminates the ambiguities of a null value?

[A] Define the attribute as required
[B] Define subtypes
[C] Define each attribute as having an initial value that is recognized as blank
[D] Define supertypes
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Tsega Asresa Mengistu
Tsega Asresa Mengistu - 2 days ago

Tsega Asresa Mengistu from Dessie, Ethiopia is saying Define the attribute as required is correct answer

Serkie Mekonnen
Serkie Mekonnen - 3 days ago

Serkie Mekonnen from Dessie, Ethiopia is saying Define the attribute as required is correct answer

Abdul Haseeb Shershahabadi
Abdul Haseeb Shershahabadi - 1 month ago

Abdul Haseeb Shershahabadi from Birpur, India is saying Define each attribute as having an initial value that is recognized as blank is correct answer

Deep
Deep - 1 month ago

Deep from Kolkata, India is saying Define supertypes is correct answer

Mohamed Ibrahim
Mohamed Ibrahim - 3 months ago

Mohamed Ibrahim from Palestine is saying Define each attribute as having an initial value that is recognized as blank is correct answer

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