Question
In a database, a unique key:
Option 4 : Ensures that all values in a column are different
Detailed Solution
सही उत्तर Ensures that all values in a column are different है।
A unique key ensures that all values in a column are different.
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prepsnap.in • Domain-SpecificQuestion:
In a database, a unique key:
Correct Answer: Ensures that all values in a column are different
A unique key ensures that all values in a column are different.