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Database Redesign

Database Redesign
A regular subquery is processed from the bottom up.

False
True

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

True
False

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Database Redesign
How can you find rows that do not match some specified condition?

NOT EXISTS
EXISTS
None of these
Double use of NOT EXISTS

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Database Redesign
Typically, there should be at least two different copies of the database schema used in the redesign process.

True
False

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Database Redesign
The data model that is produced from reverse engineering is:

None of these
a conceptual model.
a logical model.
an internal model.

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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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