Introduction to Database System A _____ Contains fields of data about one entity. None of these Fields Document Record File None of these Fields Document Record File ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Bits None of the listed here Characters Data field Bits None of the listed here Characters Data field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove an index from the database in SQL? DELETE INDEX DROP INDEX ROLL BACK INDEX REMOVE INDEX DELETE INDEX DROP INDEX ROLL BACK INDEX REMOVE INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Delete Update None of these Index Sort Key Delete Update None of these Index Sort Key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? ID-dependent entity Strong entity Weak entity ID-independent entity ID-dependent entity Strong entity Weak entity ID-independent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An-owner-member set in the CODASYL specifications may have more than one member but only one occurrence per member only one member but many member occurrence All of the listed here only one owner but many owner occurrences more than one member but only one occurrence per member only one member but many member occurrence All of the listed here only one owner but many owner occurrences ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS