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    Question

    Materialized views differ from normal views

    because:
    A They are read-only Correct Answer Incorrect Answer
    B They store actual query results physically Correct Answer Incorrect Answer
    C They require triggers Correct Answer Incorrect Answer
    D They cannot be refreshed Correct Answer Incorrect Answer
    E They do not support indexes Correct Answer Incorrect Answer

    Solution

    Materialized views cache results physically, unlike virtual views.

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