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Database Redesign

Database Redesign
The EXISTS keyword will be true if any row in the subquery meets the condition.

True
False

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

False
True

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Database Redesign
Some organizations take the stand that no application should ever employ the true name of a table.

True
False

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

False
True

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

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

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

True
False

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