Q. The primary key of a database table must be?

डेटाबेस तालिका की प्राथमिक कुंजी क्या होनी चाहिए?

A
Unique
B
Null
C
Duplicated
D
Variable

Explanation

Explanation will be available soon. Please stay tuned.

व्याख्या जल्द ही उपलब्ध होगी। कृपया बने रहें।

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