Introduction to SQL The SQL statementSELECT ROUND(45.926, -1) FROM DUAL; prints 50 prints garbage prints 045.926 is illegal prints 50 prints garbage prints 045.926 is illegal 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 IN (10000, 25000); None of these Both A and B SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000; SELECT name FROM staffinfo WHERE salary IN (10000, 25000); None of these Both A and B SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The command to remove rows from a table 'CUSTOMER' is: DROP FROM CUSTOMER ... UPDATE FROM CUSTOMER ... REMOVE FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... DROP FROM CUSTOMER ... UPDATE FROM CUSTOMER ... REMOVE FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs Nothing FLASE Hi TRUE Nothing FLASE Hi TRUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement: cannot have its results sorted using ORDER BY. has a distinct form that cannot be duplicated by a join. can always be duplicated by a join. can only be used with two tables. cannot have its results sorted using ORDER BY. has a distinct form that cannot be duplicated by a join. can always be duplicated by a join. can only be used with two tables. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword GROUP BY instructs the DBMS to group together those rows that have the same value in a column. True False True False ANSWER DOWNLOAD EXAMIANS APP