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 Custom made programs None of these Special purpose packages Single function application packages Data management packages Custom made programs None of these Special purpose packages Single function application packages ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Primitive operations common to all record management systems include Look-up All of the listed here Print Sort Look-up All of the listed here Print Sort ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be the pin code All of these a compound key consisting of the first name and the last name the last name None of these the pin code All of these a compound key consisting of the first name and the last name the last name None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Entities Relationships Attributes Primary keys Entities Relationships Attributes ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS