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 → A → A → (B,C). (B,C) → A → A → A → (B,C). (B,C) → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not considered to be a basic element of an enterprise-class database system? Database applications DBMS Users COBOL programs Database applications DBMS Users COBOL programs ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS what files are in the database what these files contain All of the listed here what attribute are possessed by the data what files are in the database what these files contain All of the listed here what attribute are possessed by the data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database design may be based on existing data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select data in rows and column from one or more tables? LIST SELECT BROWSE CHOOSE None of these LIST SELECT BROWSE CHOOSE None of these ANSWER DOWNLOAD EXAMIANS APP