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Database Design Using Normalization

Database Design Using Normalization
Denormalized tables are in BCNF.

False
True

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Database Design Using Normalization
If a table has been normalized so that all determinants are candidate keys, then that table is in:

1NF.
3NF.
2NF.
BCNF.

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Database Design Using Normalization
For a number of reasons, normalizations is not often an advantage for a(n) ________ database.

updateable
read-only
None of these
either a read-only or an updateable

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Database Design Using Normalization
When building a database from an existing set of tables, we may safely assume that there are no multivalued dependencies in the data we are given.

False
True

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Database Design Using Normalization
Using the SQL GROUP BY phrase with a SELECT statement can help detect which of the following problems?

The inconsistent values problem
The multivalue, multicolumn problem
The general-purpose remarks column problem
The missing values problem

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Database Design Using Normalization
Eliminating modification anomalies is a(n) ________ of normalization.

disadvantage
neither an advantage nor disadvantage
advantage
either an advantage or disadvantage

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