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Managing Databases with Oracle

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

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

A colon ( : ) followed by [Enter].
A left slash ( ) followed by [Enter].
A period ( . ) followed by [Enter].
A semicolon ( ; ) followed by [Enter].

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Managing Databases with Oracle
Oracle directly supports the definition of surrogate keys.

True
False

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

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

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Managing Databases with Oracle
Sequences guarantee valid surrogate key values.

False
True

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