Question 6 :
A relationship is an association representing the interaction between attributes.
Question 7 :
A binary relationship is a relationship between two or more entities.
Binary relationship is the relationship between two entities. Not more than two.
Question 8 :
Some business rules cannot be represented in common data modeling notation.
Question 9 :
A time stamp is a time value that is associated with a data value.
Question 10 :
A logical representation of the data for an organization or for a business area is known as an entity-relationship model.