Nulls are used when a value is either unknown or inapplicable.

Name: Nulls are used when a value is either unknown or inapplicable.
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Question

Nulls are used when a value is either unknown or inapplicable.​

Quizplus · Accepted Answer

Nulls are used to represent missing or unknown values in a database table. It indicates the absence of a value in a column, which can occur due to a variety of reasons such as incomplete records, data entry errors, or simply because the value is not applicable. Nulls are important in database design as they allow for more flexibility and accuracy in handling data.

Nulls Are Used When a Value Is Either Unknown or Inapplicable.​

Nulls Are Used When a Value Is Either Unknown or Inapplicable.