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Managing Databases with Oracle

Managing Databases with Oracle
What Oracle backup and recover file contains user and system data?

Offline ReDo file
Datafile
OnLine ReDo file
Control file

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Managing Databases with Oracle
The default extension for SQL*Plus is .sql.

False
True

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Managing Databases with Oracle
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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Managing Databases with Oracle
After a table has been created, its structure can be modified using the SQL command:

ALTER TABLE [TableName].
CHANGE TABLE [TableName].
MODIFY TABLE [TableName].
UPDATE TABLE [TableName].

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

DESCRIBE STRUCTURE [TableName].
DESC TABLE [TableName].
STRUCTURE [TableName].
DESCRIBE [TableName].

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Managing Databases with Oracle
Which prefixes are available to Oracle triggers?

Neither :new nor :old
Both :new and :old
:old only
:new only

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