Question

Absence of data item is represented by a special value i.e.:

• A. Single value
• B. Store value
• C. Null value
• D. Multi value

Hint:

In databases, null \(\neq\) zero or blank. It represents unknown or missing information.

Answer 1

The Correct Option is C

Null values are placeholders for missing or unknown data in databases. They indicate the absence of a value.