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Database Redesign

Database Redesign
Correlated subqueries are similar to a regular subquery.

False
True

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Database Redesign
The data model produced from the reverse engineering process is a true logical model.

False
True

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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 SQL-92 command to change a table name is RENAME TABLE.

True
False

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Database Redesign
Database redesign is not terribly difficult if the:

database is relatively small.
database is well-designed.
database is structured.
database has no data.

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

Double use of NOT EXISTS
EXISTS
None of these
NOT EXISTS

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