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Database - Database Design Using Normalization

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Exercise

"We cannot solve our problems with the same thinking we used when we created them."
- Albert Einstein
1. 

Needing to using more complicated SQL in database applications is a(n) ________ of normalization.
A. advantage
B. disadvantage
C. either an advantage or disadvantage
D. neither an advantage nor disadvantage
2. 

Eliminating modification anomalies is a(n) ________ of normalization.
A. advantage
B. disadvantage
C. either an advantage or disadvantage
D. neither an advantage nor disadvantage
3. 

Multivalued dependencies should ________ be eliminated.
A. alwaysB. commonly
C. seldomD. never
4. 

When assessing the table structure of an acquired set of tables with data, accessing the validity of possible referential integrity constraints on foreign keys is (part of) the:
A. first step.
B. second step.
C. third step.
D. fourth step.
5. 

Using the SQL GROUP BY phrase with a SELECT statement can help detect which of the following problems?
A. The multivalue, multicolumn problem
B. The inconsistent values problem
C. The missing values problem
D. The general-purpose remarks column problem

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