Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? SAVE ZIP COMMIT PACK SAVE ZIP COMMIT PACK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "fields". False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Update file Specialized file Master file Log file Update file Specialized file Master file Log file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT UNIQUE All of these None of these SELECT DISTINCT SELECT DIFFERENT SELECT UNIQUE All of these None of these SELECT DISTINCT SELECT DIFFERENT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form can be used to None of these format printed output delete records modify records All of these None of these format printed output delete records modify records All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS