Introduction to Database System Relationship classes are associations between entity classes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Each of data files has a _____ that describe the way the data is stored in the file. Fields Database File structure Records Fields Database File structure Records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? query language report writer None of these data manipulation language transaction log query language report writer None of these data manipulation language transaction log ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database None of these can use aggregate functions like SUM and COUNT All of these both (a) and (b) are written in English None of these can use aggregate functions like SUM and COUNT All of these both (a) and (b) are written in English ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not the responsibility of the utilities component of DBMS software? None of these creating and maintaining the data dictionary monitoring performance creating the physical and logical designs removing flagged records for deletion None of these creating and maintaining the data dictionary monitoring performance creating the physical and logical designs removing flagged records for deletion ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP