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Database - The Relational Model and Normalization

Exercise : The Relational Model and Normalization - General Questions
11.
Table is synonymous with the term:
record.
relation.
column.
field.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Which of the following is not a restriction for a table to be a relation?
The cells of the table must contain a single value.
All of the entries in any column must be of the same kind.
The columns must be ordered.
No two rows in a table may be identical.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
For some relations, changing the data can have undesirable consequences called:
referential integrity constraints.
modification anomalies.
normal forms.
transitive dependencies.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
A key:
must always be composed of two or more columns.
can only be one column.
identifies a row.
identifies a column.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
An attribute is a(n):
column of a table.
two dimensional table.
row of a table.
key of a table.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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