In 1NF, the value of the attribute must be

Related MCQs

• Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that:
• The attribute name could be structured as an attribute consisting of first name, middle initial, and last name. This type of attribute is called
• The attribute name could be structured as an attribute consisting of first name, middle initial, and last name. This type of attribute is called
• A                  on an attribute of a relation is a data structure that allows the database system to find those tuples in the relation that have a specified value for that attribute efficiently, without scanning through all the tuples of the relation.
• For each attribute of a relation, there is a set of permitted values, called the                   of that attribute.
• An attribute in a relation is a foreign key if the                key from one relation is used as an attribute in that relation.
• The relation with the attribute which is the primary key is referenced in another relation. The relation which has the attribute as a primary key is called                              
• The attribute AGE is calculated from DATE_OF_BIRTH. The attribute AGE is
• A relation is in                          if an attribute of a composite key is dependent on an attribute of other composite key.
• If an attribute of a composite key is dependent on an attribute of the other composite key, normalization called ................ is needed.