Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called data file database data record None of these data field data file database data record None of these data field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Supertype entity Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file restructuring upgrading renewing Updating restructuring upgrading renewing Updating ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the ALTER TABLESPACE command is used to change storage characteristics All of the listed here to take a tablespace online/offline to add/rename data files to change storage characteristics All of the listed here to take a tablespace online/offline to add/rename data files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is considered a: two-dimensional table. Column. one-dimensional table. three-dimensional table. two-dimensional table. Column. one-dimensional table. three-dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entity instances are associated by relationship classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
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