Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sort/report generators require more disk space than index/report generators do not need to sort before generating a report are faster than index/report generators none of the listed here require more disk space than index/report generators do not need to sort before generating a report are faster than index/report generators none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The on-line, softcopy display a customer's charge account to respond to an inquiry is an examples of a forecasting report exception report on demand report regularly scheduled report forecasting report exception report on demand report regularly scheduled report ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as an orderly collection of data items a general collection of data items None of these a random collection of data items a single data item an orderly collection of data items a general collection of data items None of these a random collection of data items a single data item ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is considered a: two-dimensional table. Column. three-dimensional table. one-dimensional table. two-dimensional table. Column. three-dimensional table. one-dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System After you _____ a record, many data management the environments require you to issue a command to save the changes you made. Delete Index Update Sort key Delete Index Update Sort key ANSWER DOWNLOAD EXAMIANS APP