Introduction to Database System A computer file contains several records. What does each record contain? Bytes Database Words Fields Bytes Database Words Fields ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file both (b) and (c) contains only a list of keys and record numbers has a number assigned to each record None of these is sorted in ascending order both (b) and (c) contains only a list of keys and record numbers has a number assigned to each record None of these is sorted in ascending order ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The purpose of a database is to help people stop using spreadsheets. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: determinants. composite keys. foreign keys. candidate keys. determinants. composite keys. foreign keys. candidate keys. ANSWER DOWNLOAD EXAMIANS APP