Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DIFFERENT None of these All of these SELECT DISTINCT SELECT UNIQUE SELECT DIFFERENT None of these All of these SELECT DISTINCT SELECT UNIQUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: second normal form. third normal form. fourth normal form. domain/key normal form. second normal form. third normal form. fourth normal form. domain/key normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form defines where data is placed on the screen both of the listed here none of the listed here the width of each field where data is placed on the screen both of the listed here none of the listed here the width of each field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the DBM approach, application programs perform the storage function processing functions all of the listed here access control storage function processing functions all of the listed here access control ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation sorts a file using a single key establishes an index for a file None of the listed here sorts file using two keys sorts a file using a single key establishes an index for a file None of the listed here sorts file using two keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The _____ command is used to allocates an extent for the table in SQL ALTER TABLE MODIFY TABLE None of these MODIFY ALLOCATES REDEFINE TABLE ALTER TABLE MODIFY TABLE None of these MODIFY ALLOCATES REDEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP