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. Update None of these Delete Sort Key Index Update None of these Delete Sort Key Index ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the DBM approach, application programs perform the all of the listed here processing functions access control storage function all of the listed here processing functions access control storage function ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a large DBMS each subschema contains every field in the logical schema each user can access every sub¬schema all of the listed here each user can "see" only a small part of the entire database each subschema contains every field in the logical schema each user can access every sub¬schema all of the listed here each user can "see" only a small part of the entire database 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 One solution to the multivalued dependency constraint problem is to: add a composite key. create a new theme. split the relation into two relations, each with a single theme. change the theme. add a composite key. create a new theme. split the relation into two relations, each with a single theme. change the theme. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): ER entity class. database. attribute. ER entity class. database. attribute. ANSWER DOWNLOAD EXAMIANS APP