Database - Managing Databases with Oracle

Exercise :: 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

Answer: Option A

Explanation:

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2. 

Money is defined in Oracle with the Currency data type.

A. True
B. False

Answer: Option B

Explanation:

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3. 

The default extension for SQL*Plus is .sql.

A. True
B. False

Answer: Option A

Explanation:

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4. 

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

A. True
B. False

Answer: Option B

Explanation:

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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

Answer: Option A

Explanation:

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