Managing Databases with Oracle – True or False

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

A. True
B. False

Correct Answer:  A. True

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

A. True
B. False

Correct Answer:  B. False

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

A. True
B. False

Correct Answer:  A. True

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

A. True
B. False

Correct Answer:  B. False

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

Correct Answer:  A. True

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