Introduction to Database System In a relation, the rows are sometimes called "records". False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS what attribute are possessed by the data what files are in the database All of the listed here what these files contain what attribute are possessed by the data what files are in the database All of the listed here what these files contain ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity 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 SELECT DIFFERENT SELECT UNIQUE All of these SELECT DISTINCT None of these SELECT DIFFERENT SELECT UNIQUE All of these SELECT DISTINCT None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A number of related records that are treated as a unit is called batch data file field batch data file field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Internal auditors should review data system design before they are implemented developed All of the listed here modified implemented developed All of the listed here modified ANSWER DOWNLOAD EXAMIANS APP