Introduction to Database System The distinguishable parts of a record are called data files database None of these fields data files database None of these fields ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is All of these dividing documents to be entered into batches controlling the input of each input clerk None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system All of these dividing documents to be entered into batches controlling the input of each input clerk None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in this form if it is in BCNF and has no multivalued dependencies: fourth normal form. second normal form. domain/key normal form. third normal form. fourth normal form. second normal form. domain/key normal form. third normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is considered a: one-dimensional table. two-dimensional table. Column. three-dimensional table. one-dimensional table. two-dimensional table. Column. three-dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in an indexed file a hashed file a sequential file a tree file None of these an indexed file a hashed file a sequential file a tree file None of these 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 data redundancy difficult to update program dependence lack of data independence All of these data redundancy difficult to update program dependence ANSWER DOWNLOAD EXAMIANS APP