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
Introduction to Database System Which of the following is not characteristic of a relational database model? treelike structure complex logical relationships records tables treelike structure complex logical relationships records tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data security threats include hardware failure fraudulent manipulation of data privacy invasion all of the listed here hardware failure fraudulent manipulation of data privacy invasion all of the listed here 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 difficult to update data redundancy All of these lack of data independence program dependence difficult to update data redundancy ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database has a built-in capability to create, process and administer itself. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a record management system might be handwritten list a Rolodex card file All of these None of these a business form handwritten list a Rolodex card file All of these None of these a business form ANSWER DOWNLOAD EXAMIANS APP
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