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Database Redesign

Database Redesign
Reverse engineering is the process of reading a database schema and producing a data model from that schema.

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
A correlated subquery is processed as a nested subquery.

True
False

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

NOT EXISTS
Double use of NOT EXISTS
None of these
EXISTS

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Database Redesign
The process of reading a database schema and producing a data model from that schema is known as:

None of these
reverse engineering.
data modeling.
database design.

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Database Redesign
Dependency graphs are diagrams that consist of nodes and arcs that show the dependencies of a database.

False
True

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