Case statement to find if 3rd character is lower case

Question

Hi,
Im trying to write a query that checks if the value's 3rd character in not a capital print Y if it is print N.
Select Name, (Case 3rd charter of Name is lower case then 'Y' else then 'N'), age from persons table;
Results:
John Y 50
Mary Y 40
TED N 30
Any ideas?
Thanks,
Sean

Answer 1

WITH PERSONS AS (
                 SELECT 'John' name,50 age from dual union all
                 SELECT 'Mary' name,40 age from dual union all
                 SELECT 'TED' name,30 age from dual
SELECT  NAME,
        CASE SUBSTR(NAME,3,1) WHEN LOWER(SUBSTR(NAME,3,1)) THEN 'Y' ELSE 'N' END X,
        AGE
  FROM  PERSONS
NAME X        AGE
John Y         50
Mary Y         40
TED  N         30
SQL> SY.