Introduction to Database System If you want to group the records in the abc database, you could use the Jobcode as the _____. Delete Update Index Sort Key Delete Update Index Sort Key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A → A → (B,C) → A → (B,C). A → A → (B,C) → A → (B,C). ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The designer of a form includes both (a) and (b) None of these data filed designators prompts both (a) and (b) None of these data filed designators prompts ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: composite keys. determinants. candidate keys. foreign keys. composite keys. determinants. candidate keys. foreign keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Composite identifiers consist of two or more attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP