Database - The Relational Model and Normalization

Exercise : The Relational Model and Normalization - True or False
11.
In a relation, the order of the columns does not matter.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
A functional dependency is a relationship between or among attributes.
True
False
Answer: Option
Explanation:
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13.
A key is a group of one or more attributes that uniquely identifies a row.
True
False
Answer: Option
Explanation:
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14.
Keys made up of two or more attributes are called composite keys.
True
False
Answer: Option
Explanation:
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15.
Given the functional dependency R → S , R is called the determinant.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.