drop table ash_data;
create table ash_data (
          target_id       number,
          sample_id       number,
          sample_time     date,
          sid             number,
          state           varchar2(20),
          serial#         number,
          user#           number,
          sql_address#    varchar2(20),
          sql_hash        number,
          command         number,
          session_type    number,
          event#          number,
          seq#            number,
          p1              number,
          p2              number,
          p3              number,
          wait_time       number,
          row_wait_obj#   number,
          row_wait_file#  number,
          row_wait_block# number,
          program         varchar2(64),
          module_hash     number,
          action_hash     number
);