Introduction to Database System Each of data files has a _____ that describe the way the data is stored in the file. File structure Database Records Fields File structure Database Records Fields ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Embedded pointer provide a secondary access path a physical record key an inverted index All of these None of these a secondary access path a physical record key an inverted index All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when Both of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error None of the listed here Both of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error None of the listed here 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 last name a compound key consisting of the first name and the last name the pin code All of these None of these the last name a compound key consisting of the first name and the last name the pin code All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the rows matters. False True False True 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 dBase-II Oracle IDMS R:base dBase-II Oracle IDMS ANSWER DOWNLOAD EXAMIANS APP