A relation is considered as…….
a) column
b) one-dimensional table
c) two-dimensional table
d) three-dimensional table
A functional dependency is a relationship between or among…….
a) tables
b) rows
c) columns
d) attributes
Which of the following is a group of one or more attributes that uniquely identifies a row?
a) key
b) determinant
c) tuple
d) relation
For some relations, changing the data can have undesirable consequences, called…
a) referential integrity
b) modification anomalies
c) normal forms
d) 1 normal form
When the value is in one attribute must exist in other attribute, it is called?
a) transitive dependency
b) insertion anomaly
c) referential integrity
d) normal forms
The different classes of relations and techniques for preventing anomalies are called…..
a) referential integrity constraints
b) modification anomalies
c) normal forms
d) none of these
