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