If an index entry appears for every search key value in the file, it is called as ________(a) Dense key(b) Dense index(c) Sparse key(d) Sparse index

If an index entry appears for every search key value in the file, it i

1.	If an index entry appears for every search key value in the file, it is called as ________(a) Dense key(b) Dense index(c) Sparse key(d) Sparse index
Answer» Correct option is (b) Dense index For explanation: In a dense index, an index entry appears for every search key value in the file. In a dense clustering index, the index record contains the search-key value and a pointer to the first data record with that search-key value.

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If an index entry appears for every search key value in the file, it is called as ________(a) Dense key(b) Dense index(c) Sparse key(d) Sparse index

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