MANAGING DATABASES WITH ORACLE QUIZ

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

False

True

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Oracle will let you define Notepad as your default editor, and whenever you type NOTEPAD, SQL*Plus will invoke Notepad.

False

True

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What Oracle backup and recover file contains user and system data?

OnLine ReDo file

Control file

Offline ReDo file

Datafile

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Sequences guarantee valid surrogate key values.

False

True

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You can use the DROP statement to remove structures from the database.

False

True

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Which of the following is not true about modifying table columns?

You can increase the number of characters in character columns or the number of digits in numeric columns

You can drop a column at any time.

You can add a column at any time as long as it is a NULL column.

You cannot increase or decrease the number of decimal places.

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Money is defined in Oracle with the Currency data type.

False

True

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Oracle does NOT support a CASCADE UPDATE constraint.

False

True

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When you type into SQL*Plus and press enter, the statement will be finished and executed.

False

True

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To obtain the structure of an Oracle table, the command to use is:

DESCRIBE STRUCTURE [TableName].

DESC TABLE [TableName].

DESCRIBE [TableName].

STRUCTURE [TableName].

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