Introduction to Database System A compound key None of these uniquely identifies an item in a list both (a) and (b) is made up a several pieces of information is a combination of each unique key None of these uniquely identifies an item in a list both (a) and (b) is made up a several pieces of information is a combination of each unique key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ Contains fields of data about one entity. File Fields Document None of these Record File Fields Document None of these Record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier typically uses more than one attribute. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Updating a database means all of the listed here modifying or adding record occurrences reorganizing the database revising the file structure all of the listed here modifying or adding record occurrences reorganizing the database revising the file structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? relational network tree chain relational network tree chain ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The only reason for the existence of relations is to store instances of functional dependencies. True False True False ANSWER DOWNLOAD EXAMIANS APP