Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Attributes Relationships Entities Primary keys Attributes Relationships Entities ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): attribute. database. ER entity class. attribute. database. ER entity class. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following can many entity instances of one type be related to many entity instances of another type? Composite Relationship One-to-One Relationship Many-to-Many Relationship One-to-Many Relationship Composite Relationship One-to-One Relationship Many-to-Many Relationship One-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: relationships. entities. identifiers. attributes. relationships. entities. identifiers. attributes. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): identifier. entity. relationship. attribute. identifier. entity. relationship. attribute. ANSWER DOWNLOAD EXAMIANS APP
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