Which one of the following attribute can be taken as a primary key?

Related MCQs

• 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 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 relation with the attribute which is the primary key is referenced in another relation. The relation which has the attribute as primary key is called
• Which one of the following attribute can be taken as a primary key ?
• An attribute in a relation is a foreign key if the                key from one relation is used as an attribute in that relation.
• An attribute in a relation is a foreign key if the _______ key from one relation is used as an attribute in that relation.
• A attribute in a relation is a foreign key if the _______ key from one relation is used as an attribute in that relation .
• 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.
• A relation is said to be in 3 NF if (i) it is in 2 NF (ii) non-key attributes are independent of one another (iii) key attribute is not dependent on part of a composite key (iv) has no multi-valued dependency