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Database Redesign

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
Because of the need for extensive knowledge of SQL, many database developers choose to automate the redesign process.

True
False

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Database Redesign
A regular subquery can be processed:

by nesting.
from the bottom up.
None of these
from the top down.

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

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

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Database Redesign
A correlated subquery is processed as a nested subquery.

False
True

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Database Redesign
What SQL command can be used to add columns to a table?

MODIFY TABLE TableName ADD ColumnName
MODIFY TABLE TableName ADD COLUMN ColumnName
ALTER TABLE TableName ADD COLUMN ColumnName
ALTER TABLE TableName ADD ColumnName

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