Introduction to Database System If the record management system allows you to edit values before they are recorded on disk, you can change the width of a field change the name of a field correct spelling changes before they are recorded All of the listed here change the width of a field change the name of a field correct spelling changes before they are recorded All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? lack of data independence All of these program dependence difficult to update data redundancy lack of data independence All of these program dependence difficult to update data redundancy ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail All of the listed here is the recorded history of operations performed on a file is used to make back-up copies can be used to restore lost information All of the listed here is the recorded history of operations performed on a file is used to make back-up copies can be used to restore lost information ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier determines the type of relationship that an entity has. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "records". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Sort key Delete Index Update Sort key Delete Index Update ANSWER DOWNLOAD EXAMIANS APP