Q. What is a primary key in database design?

डेटाबेस डिज़ाइन में प्राथमिक कुंजी क्या है?

A
A key used for encryption
B
A unique identifier for records
C
A key used to link two tables
D
A key that allows duplicate values

Explanation

Explanation will be available soon. Please stay tuned.

व्याख्या जल्द ही उपलब्ध होगी। कृपया बने रहें।

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