Introduction to SQL The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to sort the result-set? SORT BY ORDER BY SORT ORDER SORT BY ORDER BY SORT ORDER ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command is used to change a table's storage characteristics? MODIFY TABLE CHANGE TABLE ALTER TABLE None of these MODIFY TABLE CHANGE TABLE ALTER TABLE None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Table Employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM Employee WHERE SALARY > ANY (SELECT SALARY FROM EMPLOYEE);prints 5 10 9 0 5 10 9 0 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of groups. values. distinct values. columns. groups. values. distinct values. columns. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL; 2345 456789 1234 6789 2345 456789 1234 6789 ANSWER DOWNLOAD EXAMIANS APP