Introduction to Database System Each of data files has a _____ that describe the way the data is stored in the file. Database File structure Fields Records Database File structure Fields Records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. True False True False 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If the record management system allows you to edit values before they are recorded on disk, you can correct spelling changes before they are recorded change the width of a field All of the listed here change the name of a field correct spelling changes before they are recorded change the width of a field All of the listed here change the name of a field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file None of these contains only a list of keys and record numbers has a number assigned to each record both (b) and (c) is sorted in ascending order None of these contains only a list of keys and record numbers has a number assigned to each record both (b) and (c) is sorted in ascending order ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in 5NF when multivalued dependencies are isolated in their own relation. True False True False ANSWER DOWNLOAD EXAMIANS APP