Question

Fill in the blanks, an appropriate word(s)
(a) A $.............$ does not have key attributes of its own.
(b) The $.............$ for binary relationship specifies the number of relationship instances that an entity can participate in.
(c) Each simple attribute of an entity type is associated with a value set called
$.............$ of values.
(d) When structure of AIS is based on both human and computer resources, it is called $.............$ AIS.
(e) An $.............$ is a collection of all entities of a particular entity type.
(f) A weak entity type always has a $.............$ constraint with respect to its identifying relationship.
(g) When a relation has more than one attribute with unique values, each such attribute is called $.............$.

Answer 1

• A weak entity does not have key attributes of its own.
• The cardinality ratios for binary relationship specifies the number of relationship instances that an entity can participate in.
• Each simple attribute of an entity type is associated with a value set called  domain of values.
• When structure of AIS is based on both human and computer resources, it is called Liveware AIS.
• An entity set is a collection of all entities of a particular entity type.
• A weak entity type always has a multi-valued constraint with respect to its identifying relationship.
• When a relation has more than one attribute with unique values, each such attribute is called Multi-Valued attribute.