Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK None of these All of these SELECT ALL FROM BOOK SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK None of these All of these SELECT ALL FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In order to use a record management system Both (a) and (b) You need to understand the model the record management system uses. None of these You need to understand the low-level details of how information in stored All of these Both (a) and (b) You need to understand the model the record management system uses. None of these You need to understand the low-level details of how information in stored 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 Sort/report generators do not need to sort before generating a report none of the listed here are faster than index/report generators require more disk space than index/report generators do not need to sort before generating a report none of the listed here are faster than index/report generators require more disk space than index/report generators ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is controlling the input of each input clerk 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 None of these controlling the input of each input clerk 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 None of these ANSWER DOWNLOAD EXAMIANS APP
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