Database MCQ

1:

The method in which records are physically stored in a specified order according to a key field in each record is

A.

Hash

B.

Direct.

C.

Sequential

D.

All of the above.

 

Answer : A

Explanation :

A method in which records are physically stored in a specified order according to a key field in each record is hash. (In hash method, a hash function is performed on the key value to determine the unique physical address of the record to store or retrieve)

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Option: A

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