In MS Access, a unique key that prevents duplicate entries and uniquely distinguishes each record or row in a table database is known as the: MCQ with Answer and Explanation
In MS Access, a unique key that prevents duplicate entries and uniquely distinguishes each record or row in a table database is known as the:
A. Foreign Key
B. Primary Key
C. Candidate Key
D. Composite Key
Answer: Option B
Solution (By JKSSB Mock Tests)
The Primary Key is a field or combination of fields that uniquely identifies each record in an Access table and cannot contain null or duplicate values.
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