Introduction to Database System A database management system might consist of application programs and a software package called TOTAL FORTRAN BPL AUTOFLOW TOTAL FORTRAN BPL AUTOFLOW ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: identifies a row. must always be composed of two or more columns. can only be one column. identifies a column. identifies a row. must always be composed of two or more columns. can only be one column. identifies a column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? 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 SELECT DISTINCT SUB FROM BOOK All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Applications are programs that interact directly with the database. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities use identifiers while tables use keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called data file database data field data record None of these data file database data field data record None of these ANSWER DOWNLOAD EXAMIANS APP
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