Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A → (B,C). A → A → (B,C) → A → (B,C). A → A → (B,C) → 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? Supertype entity Instance entity Archetype entity Subtype entity Supertype entity Instance entity Archetype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Versatile report generators can provide Calculations Columnar totals All of these Subtotals None of these Calculations Columnar totals All of these Subtotals None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called None of these any of the above ACCESS TOTAL DB/DC dictionary None of these any of the above ACCESS TOTAL DB/DC dictionary ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS acts as an interface between what two components of an enterprise-class database system? Database application and the database Data and the database The user and the database application Database application and SQL Database application and the database Data and the database The user and the database application Database application and SQL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Composite identifiers consist of two or more attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP