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SQL for Database Construction

SQL for Database Construction
What is an SQL virtual table that is constructed from other tables?

A relation
Just another table
A view
Query results

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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
There are three SQL data modification operations: insert, modify and delete.

False
True

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SQL for Database Construction
Three types of triggers are: BEFORE, AFTER and EXCEPTION.

False
True

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SQL for Database Construction
When a foreign key column is created without a corresponding foreign key constraint, we have created a "casual relationship" between the two tables.

True
False

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SQL for Database Construction
A benefit of using a stored procedure is that it can be distributed to client computers.

False
True

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