Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . multiuser database application e-commerce database application single-user database application data mining database application multiuser database application e-commerce database application single-user database application data mining database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? All of these lack of data independence program dependence data redundancy difficult to update All of these lack of data independence program dependence data redundancy difficult to update ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system both (a) and (b) None of these lets you define different forms for different operations allow you to entry data in all the forms lets you create a look-up form with an associated read-only password to prevent access by unauthorized users both (a) and (b) None of these lets you define different forms for different operations allow you to entry data in all the forms lets you create a look-up form with an associated read-only password to prevent access by unauthorized users ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Any table that meets the definition of a relation is said to be in first normal form. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? None of the listed here data dictionary and transaction log data dictionary and query language query language and utilities None of the listed here data dictionary and transaction log data dictionary and query language query language and utilities ANSWER DOWNLOAD EXAMIANS APP