Each simple attribute of an entity type is associated with a value set called _____ of values.

Q. Fill in the blanks, an appropriate word(s)
Each simple attribute of an entity type is associated with a value set called ________ of values.

Q. An entity type is described by a set of attributes called _______________.

Q. The value of each attribute of a relation must be an indivisible value and drawn out of possible values associated with its ________.

Q. A weak entity type normally has a ______, which is a set of attribute that can uniquely identified weak entities that are related to the same owner entity.

Q. When a relation has more than one attribute with unique values, each such attribute is called: