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SQL for Database Construction

SQL for Database Construction
A view that contains a computed column can be easily updated.

True
False

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

BEFORE
AFTER
All of these
INSTEAD OF

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SQL for Database Construction
The SQL CHECK constraint is fully defined by the SQL-92 standard, and is consistently implemented by all DBMS vendors.

False
True

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SQL for Database Construction
Views constructed from SQL SELECT statements that conform to the SQL-92 standard may not contain:

GROUP BY
FROM
WHERE
ORDER BY

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SQL for Database Construction
A updatable view has its own data.

False
True

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SQL for Database Construction
A ________ is a program that performs some common action on database data and that is stored in the database.

pseudofile
trigger
stored procedure
None of these

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