Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system None of these controlling the input of each input clerk All of these dividing documents to be entered into batches comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system None of these controlling the input of each input clerk All of these dividing documents to be entered into batches ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file upgrading renewing restructuring Updating upgrading renewing restructuring Updating ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The distinguishable parts of a record are called None of these database files fields data None of these database files fields data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the columns does not matter. False True False True ANSWER DOWNLOAD EXAMIANS APP
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