Introduction to Database System A database has a built-in capability to create, process and administer itself. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Entities Relationships Primary keys Attributes Entities Relationships Primary keys Attributes ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is a combination of each unique key uniquely identifies an item in a list both (a) and (b) is made up a several pieces of information None of these is a combination of each unique key uniquely identifies an item in a list both (a) and (b) is made up a several pieces of information None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An-owner-member set in the CODASYL specifications may have more than one member but only one occurrence per member only one member but many member occurrence All of the listed here only one owner but many owner occurrences more than one member but only one occurrence per member only one member but many member occurrence All of the listed here only one owner but many owner occurrences ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "fields". False True False True ANSWER DOWNLOAD EXAMIANS APP
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: (B,C) → A → (B,C). A → A → (B,C) → A → (B,C). A → A → ANSWER DOWNLOAD EXAMIANS APP