Convert Number Into Words

1. How can you convert a number into words using Oracle Sql Query?

Please see the query below:-

SELECT TO_CHAR (TO_DATE (523, 'j'), 'jsp') from dual


Output:
TO_CHAR(TO_DATE(523,'J'),
-------------------------
five hundred twenty-three

2. Write a pl sql block that count the department wise total salary where more than 5 employees are exists.

 SELECT  department_id, count(*),sum(salary) As totalsal
 FROM employees
 GROUP BY department_id
 HAVING COUNT(employee_id) >5

Given below is the output you get

DEPARTMENT_ID   COUNT(*)   TOTALSAL
------------- ---------- ----------
          100          6      51600
           30          6      24900
           50         45     156400
           80         34     304500