Introduction to Database System Entities of a given type are grouped into a(n): ER attribute. database. entity class. ER attribute. database. entity class. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Relationships Entities Attributes Primary keys Relationships Entities Attributes Primary keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type of related to a single-entity instance of another type? One-to-One Relationship Many-to-Many Relationship Composite Relationship One-to-Many Relationship One-to-One Relationship Many-to-Many Relationship Composite Relationship One-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Identifiers Attributes Relationships Entities Identifiers Attributes Relationships Entities ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Subtype entity Archetype entity Supertype entity Instance entity Subtype entity Archetype entity Supertype entity Instance entity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS