Introduction to Database System A recursive relationship is a relationship between an entity and ________ . a subtype entity itself an archetype entity an instance entity a subtype entity itself an archetype entity an instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type may be related to more than one record of another record type. One-to-many relationship One-to-one relationship Many-to-one relationship Many-to many relationship One-to-many relationship One-to-one relationship Many-to-one relationship Many-to many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database design may be based on existing data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation establishes an index for a file None of the listed here sorts a file using a single key sorts file using two keys establishes an index for a file None of the listed here sorts a file using a single key sorts file using two keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa. Many-to-one relationship One-to-many relationship None of these Many-to-many relationship One-to-one relationship Many-to-one relationship One-to-many relationship None of these Many-to-many relationship One-to-one relationship 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? 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