Q.1
In a relation, the order of the rows matters.
Q.2
In a relation, the rows are sometimes called "records".
Q.3
A relation is a two-dimensional table.
Q.4
Any table that meets the definition of a relation is said to be in first normal form.
Q.5
Given the functional dependency R → (S,T) , then it is also true that R → S.
Q.6
A relation in this form is free of all modification anomalies.
Q.7
If attributes A and B determine attribute C, then it is also true that:
Q.8
A tuple is a(n):
Q.9
If attribute A determines both attributes B and C, then it is also true that:
Q.10
One solution to the multivalued dependency constraint problem is to:
Q.11
Table is synonymous with the term:
Q.12
Which of the following is not a restriction for a table to be a relation?
Q.13
For some relations, changing the data can have undesirable consequences called:
Q.14
A key:
Q.15
An attribute is a(n):
Q.16
Which of the following is a group of one or more attributes that uniquely identifies a row?
Q.17
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):
Q.18
A relation is considered a:
Q.19
In the relational model, relationships between relations or tables are created by using:
Q.20

Which of the following is a group of one or more attributes that uniquely identifies a row?

  • Key
  • Determinant
  • Tuple
  • Relation
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