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SQL for Database Construction

SQL for Database Construction
Which of the following is an SQL trigger supported by Oracle?

AFTER
All of these
INSTEAD OF
BEFORE

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SQL for Database Construction
A trigger is a stored program that is attached to a database.

False
True

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SQL for Database Construction
A reason for using an SQL view to hide columns is:

to accomplish both of the above.
to prevent the display of sensitive data only.
None of these
to simplify a result only.

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SQL for Database Construction
Standard SQL-92 views are constructed from SQL SELECT statements that do not contain the GROUP BY clause.

False
True

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SQL for Database Construction
What is not an advantage of stored procedures?

SQL can be optimized
Greater security
Increased network traffic
Code sharing

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SQL for Database Construction
The SQL statement to create a view is:

SELECT VIEW
MAKE VIEW
CREATE VIEW
INSERT VIEW

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