Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows All of these SELECT DISTINCT SELECT DIFFERENT None of these SELECT UNIQUE All of these SELECT DISTINCT SELECT DIFFERENT None of these SELECT UNIQUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database? DBMS DASD FMS EMMS None of these DBMS DASD FMS EMMS None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The following are components of a database except ________ . indexes reports user data metadata indexes reports user data metadata ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: attributes. rows. relations. tables. attributes. rows. relations. tables. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not considered to be a basic element of an enterprise-class database system? DBMS Database applications COBOL programs Users DBMS Database applications COBOL programs Users ANSWER DOWNLOAD EXAMIANS APP
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