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 controlling the input of each input clerk None of these dividing documents to be entered into batches All of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system controlling the input of each input clerk None of these dividing documents to be entered into batches All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Applications are programs that interact directly with the database. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . e-commerce database application multiuser database application data mining database application single-user database application e-commerce database application multiuser database application data mining database application single-user database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A logical schema describes how data is actually stored on disk is the entire database is a standard way of organizing information into accessible parts None of these All of these describes how data is actually stored on disk is the entire database is a standard way of organizing information into accessible parts None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: determinants. foreign keys. composite keys. candidate keys. determinants. foreign keys. composite keys. candidate keys. ANSWER DOWNLOAD EXAMIANS APP