Introduction to Database System If a piece of data is stored in two places in the database, then it can be more easily accessed both (a) and (b) None of these changing the data is one spot will cause data inconsistency storage space is wasted it can be more easily accessed both (a) and (b) None of these changing the data is one spot will cause data inconsistency storage space is wasted ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? program dependence data redundancy difficult to update All of these lack of data independence program dependence data redundancy difficult to update All of these lack of data independence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? R:base Oracle dBase-II IDMS R:base Oracle dBase-II IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What software packages are commonly used for businesses that have to track extensive lists of clients and inventory? Data management packages None of these Custom made programs Special purpose packages Single function application packages Data management packages None of these Custom made programs Special purpose packages Single function application packages ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): database. ER attribute. entity class. database. ER attribute. entity class. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. True False True False ANSWER DOWNLOAD EXAMIANS APP