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1. Indexes are created to enforce uniqueness on columns and to enable fast retrieval by column values.

A. True
B. False

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2. Money is defined in Oracle with the Currency data type.

A. True
B. False

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3. The default extension for SQL*Plus is .sql.

A. True
B. False

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4. The left-leaning slash tells Oracle to execute whatever statement is in the buffer.

A. True
B. False

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5. Oracle maintains a System Change Number (SCN) which is a database-wide value that is incremented by Oracle whenever database changes are made.

A. True
B. False

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