Introduction to Database System A data dictionary is a special file that contains None of these the names of all fields in all files the data types of all fields in all files the widths of all fields in all files All of these None of these the names of all fields in all files the data types of all fields in all files the widths of all fields in all files All of these 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 In SQL, which command is used to add new rows to a table? APPEND ALTER TABLE INSERT ADD ROW APPEND ALTER TABLE INSERT ADD ROW ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A form can be used to None of these delete records format printed output modify records All of these None of these delete records format printed output modify records All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: split the relation into two relations, each with a single theme. create a new theme. add a composite key. change the theme. split the relation into two relations, each with a single theme. create a new theme. add a composite key. change the theme. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT UNIQUE None of these SELECT DIFFERENT SELECT DISTINCT All of these SELECT UNIQUE None of these SELECT DIFFERENT SELECT DISTINCT All of these ANSWER DOWNLOAD EXAMIANS APP
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