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Database Redesign

Database Redesign
Although creating test databases is a critical and necessary job, there are few career opportunities in this area.

False
True

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Database Redesign
To drop a column that is used as a foreign key, first:

drop the foreign key constraint.
drop the primary key.
All of these
drop the table containing the foreign key.

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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
Correlated subqueries are similar to a regular subquery.

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.

False
True

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Database Redesign
The NOT EXISTS keyword will be true if:

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

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