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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
Query results
Just another table
A view

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

False
True

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

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

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SQL for Database Construction
SQL views can be used to hide:

both of the above can be hidden by an SQL view.
complicated SQL syntax only.
None of these
columns and rows only.

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SQL for Database Construction
Common types of SQL CHECK constraints include range checks and limiting columns values.

False
True

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SQL for Database Construction
SQL has a JOIN ON syntax that can be used to create inner joins and outer joins.

True
False

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