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