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Database Redesign

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
How can you find rows that do not match some specified condition?

None of these
NOT EXISTS
Double use of NOT EXISTS
EXISTS

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

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

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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 data model that is produced from reverse engineering is:

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

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Database Redesign
Dependency graphs are diagrams that consist of nodes and arcs that show the dependencies of a database.

False
True

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