Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? None of these transaction log query language report writer data manipulation language None of these transaction log query language report writer data manipulation language 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: A → A → (B,C). A → (B,C) → A → A → (B,C). A → (B,C) → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier determines the type of relationship that an entity has. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data base record field data item data base record field data item ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the ALTER TABLESPACE command is used to change storage characteristics to take a tablespace online/offline All of the listed here to add/rename data files to change storage characteristics to take a tablespace online/offline All of the listed here to add/rename data files ANSWER DOWNLOAD EXAMIANS APP