An index on columns from two or more tables that come from the same domain of values is called a:
A) bitmap index.
B) multivalued index.
C) join index.
D) transaction index.

Name: An index on columns from two or more tables that come from the same domain of values is called a: A) bitmap index. B) multivalued index. C) join index. D) transaction index.
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Question

Quizplus · Accepted Answer

A join index is used to speed up join operations by maintaining a mapping between the columns of two or more tables that are frequently joined together.

An Index on Columns from Two or More Tables That