Introduction to Database System A key: identifies a column. can only be one column. must always be composed of two or more columns. identifies a row. identifies a column. can only be one column. must always be composed of two or more columns. identifies a row. 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 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 the pin code All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when two users of the DBMS are interacting with different files at the same time Both of the listed here Two concurrent activities interact to cause a processing error None of the listed here two users of the DBMS are interacting with different files at the same time Both of the listed here Two concurrent activities interact to cause a processing error None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The on-line, softcopy display a customer's charge account to respond to an inquiry is an examples of a exception report regularly scheduled report forecasting report on demand report exception report regularly scheduled report forecasting report on demand report ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An application where only one user accesses the database at a given time is an example of a(n) ________ . single-user database application data mining database application multiuser database application e-commerce database application single-user database application data mining database application multiuser database application e-commerce database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An-owner-member set in the CODASYL specifications may have All of the listed here only one owner but many owner occurrences more than one member but only one occurrence per member only one member but many member occurrence All of the listed here only one owner but many owner occurrences more than one member but only one occurrence per member only one member but many member occurrence ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS