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Question
An Alternate key can be defined as ______.
Options
An attribute which is a primary key
An attribute which is not a primary key
A candidate key
None of these
MCQ
Fill in the Blanks
Solution
An Alternate key can be defined as None of these
Explanation:
The last piece in a normal queue is connected to the first element in a circular queue, which creates the appearance of a circle. The main drawback of the conventional queue is addressed by the circular queue. The use of indexes 0 and 1 requires clearing the queue (deleting all elements).
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Keys in a Relational Database
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