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Oracle 10g Database Administration MCQs

Which statement is valid regarding index clusters?

Index clusters can only be used for tables with low cardinality columns

Index clusters are generally well suited for tables that have many full table scans

Normal B-Tree indexes do not store null key values, whereas cluster indexes store null keys

A cluster index always takes up much more storage space than a normal index for the same set of key values

Answer

Correct Answer: Normal B-Tree indexes do not store null key values, whereas cluster indexes store null keys

Explanation:

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