Introduction to Database System The data dictionary tells the DBMS what these files contain All of the listed here what files are in the database what attribute are possessed by the data what these files contain All of the listed here what files are in the database what attribute are possessed by the data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Database applications are seldom intended for use by a single user. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): entity class. attribute. database. ER entity class. attribute. database. ER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relationship classes are associations between entity classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity? Supertype entity Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP