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Database Redesign

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
How many copies of the database schema are typically used in the redesign process?

Three
One
Two
Four

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Database Redesign
It is not easy to build a database correctly the first time.

True
False

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

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

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

True
False

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Database Redesign
Because of the importance of making data model changes correctly, many professionals are ________ about using an automated process for database redesign.

skeptical
optimistic
ambivalent
None of these

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