Introduction to SQL A dynamic view is one whose contents materialize when referenced. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command(s) is(are) used to change a table's storage characteristics? ALTER TABLE CHANGE TABLE All of these MODIFY TABLE ALTER TABLE CHANGE TABLE All of these MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000? SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000; None of these SELECT name FROM staffinfo WHERE salary IN (10000, 25000); Both A and B SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000; None of these SELECT name FROM staffinfo WHERE salary IN (10000, 25000); Both A and B ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s): LIKE only. IN only. Both IN and NOT IN. NOT IN only. LIKE only. IN only. Both IN and NOT IN. NOT IN only. ANSWER DOWNLOAD EXAMIANS APP