CREATE OR REPLACE VIEW V_PROFILE_RT_CODE_FOR_ENRO AS
/** Show rows from enquiry_roles along with start_date of the next instance of the same rt_code
and enquiry.
*/
SELECT prty_id
      ,rt_code
      ,start_date
      ,end_date
      ,next_start_date
      ,enqu_id
  FROM (SELECT enro.prty_id
              ,enro.rt_code
              ,enro.start_date
              ,enro.end_date
              ,enqu_id
              ,lead(start_date
                   ,1) over(PARTITION BY rt_code, enqu_id ORDER BY start_date) AS next_start_date
          FROM enquiry_roles enro);