Introduction to Database System In SQL, which command is used to remove a stored function from the database? REMOVE FUNCTION DROP FUNCTION None of these DELETE FUNCTION ERASE FUNCTION REMOVE FUNCTION DROP FUNCTION None of these DELETE FUNCTION ERASE FUNCTION 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 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 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The _____ command is used to allocates an extent for the table in SQL REDEFINE TABLE None of these ALTER TABLE MODIFY ALLOCATES MODIFY TABLE REDEFINE TABLE None of these ALTER TABLE MODIFY ALLOCATES MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entity instances are associated by relationship classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file None of these if high, reduces processing efficiency for sequential and nonsequential files is a measure of the percentage of existing records updated during a run is a low percentages of number of records added or deleted from a file refers to how closely the files fits into the allocated None of these if high, reduces processing efficiency for sequential and nonsequential files is a measure of the percentage of existing records updated during a run is a low percentages of number of records added or deleted from a file refers to how closely the files fits into the allocated ANSWER DOWNLOAD EXAMIANS APP
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