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Database Redesign

Database Redesign
A regular subquery can be processed:

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

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

False
True

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Database Redesign
The NOT EXISTS keyword will be true if:

any row in the subquery meets the condition.
all rows in the subquery fail the condition.
both of these two conditions are met.
neither of these two conditions is met.

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Database Redesign
Database redesign is especially difficult if the database has no data.

False
True

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

True
False

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