MANAGING DATABASES WITH ORACLE QUIZ

Which prefixes are available to Oracle triggers?

:new only

Both :new and :old

Neither :new nor :old

:old only

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Oracle directly supports the definition of surrogate keys.

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?

Edit [FileName]

Alter [FileName]

Open [FileName]

Show [FileName]

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Which of the following is not true of SQL views?

The SQL-92 standard does not allow the use of the ORDER BY clause in view definitions.

Oracle views cannot use the ORDER BY clause in view definitions.

Oracle views are created using the standard SQL-92 CREATE VIEW command.

Oracle views can by queried.

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Which of the following is NOT an Oracle-supported trigger?

BEFORE

AFTER

INSTEAD OF

DURING

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Which SQL phrase is not supported by Oracle?

DROP SEQUENCE [SequenceName]

CREATE SEQUENCE [SequenceName]

ON DELETE CASCADE

ON UPDATE CASCADE

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

Control file

Offline ReDo file

OnLine ReDo file

Datafile

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Sequences guarantee valid surrogate key values.

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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When you type Start FILENAME, the statement in your file will be executed automatically.

True

False

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