Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? All of the listed here CHANGE USER ALTER TRIGGER MODIFY USER All of the listed here CHANGE USER ALTER TRIGGER MODIFY USER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows None of these SELECT DIFFERENT All of these SELECT DISTINCT SELECT UNIQUE None of these SELECT DIFFERENT All of these SELECT DISTINCT SELECT UNIQUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as a random collection of data items a general collection of data items None of these a single data item an orderly collection of data items a random collection of data items a general collection of data items None of these a single data item an orderly collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove an index from the database in SQL? REMOVE INDEX DROP INDEX DELETE INDEX ROLL BACK INDEX REMOVE INDEX DROP INDEX DELETE INDEX ROLL BACK INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An application where only one user accesses the database at a given time is an example of a(n) ________ . multiuser database application data mining database application single-user database application e-commerce database application multiuser database application data mining database application single-user database application e-commerce database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation None of the listed here establishes an index for a file sorts file using two keys sorts a file using a single key None of the listed here establishes an index for a file sorts file using two keys sorts a file using a single key ANSWER DOWNLOAD EXAMIANS APP