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An Oracle __________ is a set of tables and views that are used as a read-only reference about the database.

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An Oracle __________ is a set of tables and views that are used as a read-only reference about the database.

(a) Database dictionary

(b) Dictionary table

(c) Data dictionary

(d) Dictionary

The question was asked in an international level competition.

My question comes from Data-Dictionary Storage topic in chapter Storage and File Structures of Database Management

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Right answer is (c) Data dictionary

For explanation: Data dictionary is also called as system catalog.

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