Database - Data Modeling with ER Model
Exercise : Data Modeling with ER Model - General Questions
- Data Modeling with ER Model - General Questions
- Data Modeling with ER Model - True or False
Which of the following indicates the minimum number of entities that must be involved in a relationship?
Which of the following refers to something that can be identified in the users' work environment, something that the users want to track?
In which of the following is a single-entity instance of one type related to many entity instances of another type?
Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity?
Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity?