Introduction to Database System Given the functional dependency R → S , R is called the determinant. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is All of these controlling the input of each input clerk dividing documents to be entered into batches 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 controlling the input of each input clerk dividing documents to be entered into batches 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 When performing a look-up operation using a form you look at each form sequentially until you see the one you want you enter the search value into the form All of these you type the key in an entry line, and the correct form is displayed None of these you look at each form sequentially until you see the one you want you enter the search value into the form All of these you type the key in an entry line, and the correct form is displayed None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a record field data item data base record field data item data base 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 A _____ means that one record in a particular record type is related to only one record of another record type. Many-to-one relationship One-to-one relationship One-to-many relationship Many-to-many relationship None of these Many-to-one relationship One-to-one relationship One-to-many relationship Many-to-many relationship None of these ANSWER DOWNLOAD EXAMIANS APP