Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: C → (B,C) → A → B → C → (B,C) → A → B → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? SAVE ZIP COMMIT PACK SAVE ZIP COMMIT PACK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a database administrator's function? database design All of the listed here performance monitoring backing up the database database design All of the listed here performance monitoring backing up the database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system both (a) and (b) allow you to entry data in all the forms None of these lets you define different forms for different operations lets you create a look-up form with an associated read-only password to prevent access by unauthorized users both (a) and (b) allow you to entry data in all the forms None of these lets you define different forms for different operations lets you create a look-up form with an associated read-only password to prevent access by unauthorized users ANSWER DOWNLOAD EXAMIANS APP
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 An entity is something that can be identified in the user's work environment; something that the users want to track. False True False True ANSWER DOWNLOAD EXAMIANS APP