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Database - Database Design Using Normalization

Exercise : Database Design Using Normalization - General Questions
16.
Read-only databases are ________ updated.
always
commonly
seldom
never
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Needing to assess the validity of assumed referential integrity constraints on foreign keys is a(n) ________ of normalization.
advantage
disadvantage
either an advantage or disadvantage
neither an advantage nor disadvantage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
When assessing the table structure of an acquired set of tables with data, determining primary keys is (part of) the:
first step.
second step.
third step.
fourth step.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Normalization ________ data duplication.
eliminates
reduces
increases
maximizes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Each answer below shows example data from a table. Which answer is an example of the inconsistent values problem?
Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row.
Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column.
Three rows have the values Brown, NULL, and Blue in the same column.
One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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