Introduction to Database System The on-line, softcopy display a customer's charge account to respond to an inquiry is an examples of a on demand report regularly scheduled report exception report forecasting report on demand report regularly scheduled report exception report forecasting report ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS what attribute are possessed by the data what files are in the database All of the listed here what these files contain what attribute are possessed by the data what files are in the database All of the listed here what these files contain ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? difficult to update All of these data redundancy program dependence lack of data independence difficult to update All of these data redundancy program dependence lack of data independence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to identify the name, width and type of the fields of each record. All of the listed here decide which fields will be used as sort or index keys identify the records in the list identify the name, width and type of the fields of each record. All of the listed here decide which fields will be used as sort or index keys identify the records in the list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains the widths of all fields in all files All of these the data types of all fields in all files None of these the names of all fields in all files the widths of all fields in all files All of these the data types of all fields in all files None of these the names of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. False True False True ANSWER DOWNLOAD EXAMIANS APP