MANAGING DATABASES WITH ORACLE QUIZ

Oracle allows the ORDER BY clause in view definitions.

False

True

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

True

False

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You have linked SQLPlus to an external text editor. To invoke the text editor for use within SQLPlus, which command do you use?

Open [FileName]

Edit [FileName]

Show [FileName]

Alter [FileName]

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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 cannot increase or decrease the number of decimal places.

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

You can drop a column at any time.

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What type of failure occurs when Oracle fails due to an operating system or computer hardware failure?

Media Failure

Application failure

Instance Failure

Rollback failure

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

True

False

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What is the type of Oracle backup in which all uncommitted changes have been removed from the datafiles?

Differential backup

Consistent backup

Full backup

Inconsistent backup

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To see the contents of the SQL*Plus buffer, type:

CONTENTS

BUFFER

CURRENT

LIST

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SQL*Plus will finish the statement and execute it when the user types in this:

A left slash ( ) followed by [Enter].

A semicolon ( ; ) followed by [Enter].

A colon ( : ) followed by [Enter].

A period ( . ) followed by [Enter].

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You can check on the status of tables with the DESCRIBE or DESC command.

False

True

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YOUR ANSWER : ?