Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. True False True False 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
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. None of these Delete Index Sort Key Update None of these Delete Index Sort Key Update ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? MODIFY USER All of the listed here ALTER TRIGGER CHANGE USER MODIFY USER All of the listed here ALTER TRIGGER CHANGE USER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: foreign keys. composite keys. determinants. candidate keys. foreign keys. composite keys. determinants. candidate keys. ANSWER DOWNLOAD EXAMIANS APP