Question

_____is used by the Oracle Server to speed up the
retrieval of rows by using a pointer
a.)View
b.)Synonym
c.)Index
d.)Sequence

Answer 1

Answer:

c.)Index

Explanation:

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Answer 2

Explanation:

An Oracle server index:-

An Oracle server index is a schema object that can speed up the retrieval of rows by using a pointer. Indexes can be created explicitly or automatically. If we do not have an index on the column, then a full table scan occurs.

Indexes are logically and physically independent of the data in the associated table.

An index is a copy of selected columns of data from a table that can be searched very efficiently that also includes a low-level disk block address or direct link to the complete row of data it was copied from.