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Database Design Using Normalization
Creating a read-only database is a task that is ________ assigned to beginning database professionals.
always
commonly
seldom
never
Correct Answer:
commonly
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Database Design Using Normalization
Each answer below shows example data from a table. Which answer is an example of the multivalue, multicolumn problem?
For a number of reasons, normalizations is not often an advantage for a(n) ________ database.
Using the SQL GROUP BY phrase with a SELECT statement can help detect which of the following problems?
Most of the time, modification anomalies are serious enough that tables should be normalized into:
If a table has been normalized so that all determinants are candidate keys, then that table is in:
When assessing the table structure of an acquired set of tables with data, counting the number of table rows is (part of) the:
Each answer below shows example data from a table. Which answer is an example of the missing values problem?
In all cases, normalization into BCNF is desirable.
Denormalized tables are in BCNF.
Normalization requires programmers to write more complex SQL.
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