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Managing Databases with Oracle

Managing Databases with Oracle
To see the contents of the SQL*Plus buffer, type:

CURRENT
BUFFER
LIST
CONTENTS

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Managing Databases with Oracle
Indexes are created to enforce uniqueness on columns and to enable fast retrieval by column values.

True
False

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

True
False

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

False
True

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Managing Databases with Oracle
The default extension for an Oracle SQL*Plus file is:

.txt
.pls
.sql
.ora

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Managing Databases with Oracle
Oracle does NOT support a CASCADE UPDATE constraint.

False
True

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