Introduction to Database System Entities of a given type are grouped into a(n): attribute. ER entity class. database. attribute. ER entity class. database. 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? Primary keys Attributes Entities Relationships Primary keys Attributes Entities Relationships 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-Many Relationship Composite Relationship Many-to-Many Relationship One-to-One Relationship One-to-Many Relationship Composite Relationship Many-to-Many Relationship One-to-One Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Entities Identifiers Relationships Attributes Entities Identifiers Relationships Attributes 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? Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity ANSWER DOWNLOAD EXAMIANS APP