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? report writer data manipulation language None of these transaction log query language report writer data manipulation language None of these transaction log query language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as an orderly collection of data items a single data item a general collection of data items None of these a random collection of data items an orderly collection of data items a single data item a general collection of data items None of these a random collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail can be used to restore lost information is the recorded history of operations performed on a file All of the listed here is used to make back-up copies can be used to restore lost information is the recorded history of operations performed on a file All of the listed here is used to make back-up copies ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following can many entity instances of one type be related to many entity instances of another type? One-to-Many Relationship One-to-One Relationship Many-to-Many Relationship Composite Relationship One-to-Many Relationship One-to-One Relationship Many-to-Many Relationship Composite Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: C → B → (B,C) → A → C → B → (B,C) → A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable all triggers on a table? MODIFY TRIGGERS IN TABLE ALTER TRIGGERS ALTER TABLE All of the listed here MODIFY TRIGGERS IN TABLE ALTER TRIGGERS ALTER TABLE All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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