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