Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Sort Key Update None of these Delete Index Sort Key Update None of these Delete Index ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a record data item field data base record data item field data base ANSWER DOWNLOAD EXAMIANS APP
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) ________ . 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 single-user database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sort/report generators require more disk space than index/report generators do not need to sort before generating a report are faster than index/report generators none of the listed here require more disk space than index/report generators do not need to sort before generating a report are faster than index/report generators none of the listed here 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS