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SQL for Database Construction

SQL for Database Construction
For what purposes are views used?

To hide complicated SQL statements only
All of these
To hide columns only
To hide rows only

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

A relation
Query results
A view
Just another table

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SQL for Database Construction
To update an SQL view, the DBMS must be able to associate the column(s) to be updated with:

a particular column in a particular row.
a particular row in a particular underlying table.
a particular column in a particular underlying table.
None of these

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

Increased network traffic
Greater security
SQL can be optimized
Code sharing

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

True
False

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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.

True
False

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