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Database Redesign

Database Redesign
Information systems and organizations do not just influence each other; they create each other.

True
False

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Database Redesign
The use of the double NOT EXISTS can be used to find rows that do not match some specified condition.

False
True

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Database Redesign
The data model produced from the reverse engineering process does not include intersection table data.

False
True

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Database Redesign
If a database is built correctly the first time, it will not have to be redesigned.

True
False

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Database Redesign
A tool that can help designers understand the dependencies of database structures is a:

graphical display.
dependency graph.
data model.
None of these

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Database Redesign
To drop a column that is used as a foreign key, first:

drop the foreign key constraint.
drop the table containing the foreign key.
All of these
drop the primary key.

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