Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file. Database Records Fields File structure Database Records Fields File structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? tables treelike structure complex logical relationships records tables treelike structure complex logical relationships records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . single-user database application data mining database application e-commerce database application multiuser database application single-user database application data mining database application e-commerce database application multiuser database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file produced by a spreadsheet is generally stored on disk in an ASCII text format can be used as it by the DBMS all of the listed here can be used for graphic is generally stored on disk in an ASCII text format can be used as it by the DBMS all of the listed here can be used for graphic ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The _____ command is used to allocates an extent for the table in SQL MODIFY TABLE ALTER TABLE None of these REDEFINE TABLE MODIFY ALLOCATES MODIFY TABLE ALTER TABLE None of these REDEFINE TABLE MODIFY ALLOCATES ANSWER DOWNLOAD EXAMIANS APP