Introduction to Database System A database has data and relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key None of these uniquely identifies an item in a list is a combination of each unique key both (a) and (b) is made up a several pieces of information None of these uniquely identifies an item in a list is a combination of each unique key both (a) and (b) is made up a several pieces of information ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: None of these functional dependencies. normal forms. referential integrity constraints. None of these functional dependencies. normal forms. referential integrity constraints. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? CHANGE USER All of the listed here MODIFY USER ALTER TRIGGER CHANGE USER All of the listed here MODIFY USER ALTER TRIGGER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data base record data item field data base record data item field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation has cells that hold multi-value entries. True False True False ANSWER DOWNLOAD EXAMIANS APP