Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. Network Hierarchical Object-Oriented None of these Relational Network Hierarchical Object-Oriented None of these Relational ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A number of related records that are treated as a unit is called batch field file data batch field file data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Distributed database Hierarchical database Relational database Network database Distributed database Hierarchical database Relational database Network database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file renewing upgrading Updating restructuring renewing upgrading Updating restructuring ANSWER DOWNLOAD EXAMIANS APP