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The Relational Model and Normalization
Which of the following is a group of one or more attributes that uniquely identifies a row?
Key
Determinant
Tuple
Relation
Correct Answer:
Key
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The Relational Model and Normalization
A key:
An attribute is a(n):
If attributes A and B determine attribute C, then it is also true that:
The primary key is selected from the:
In the relational model, relationships between relations or tables are created by using:
Table is synonymous with the term:
For some relations, changing the data can have undesirable consequences called:
Which of the following is not a restriction for a table to be a relation?
A functional dependency is a relationship between or among:
When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
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