Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? SELECT DISTINCT SUB FROM BOOK All of these SELECT ALL FROM BOOK SELECT SUB FROM BOOK None of these SELECT DISTINCT SUB FROM BOOK All of these SELECT ALL FROM BOOK SELECT SUB FROM BOOK None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is made up a several pieces of information both (a) and (b) is a combination of each unique key uniquely identifies an item in a list None of these is made up a several pieces of information both (a) and (b) is a combination of each unique key uniquely identifies an item in a list None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A report form is used during report generation to format data All of these both (a) and (b) appears on the computer monitor during data entry None of these is used during report generation to format data All of these both (a) and (b) appears on the computer monitor during data entry None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Large collections of files are called fields None of these file system databases records fields None of these file system databases records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? data redundancy program dependence All of these difficult to update lack of data independence data redundancy program dependence All of these difficult to update lack of data independence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file. Database Records Fields File structure Database Records Fields File structure ANSWER DOWNLOAD EXAMIANS APP
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