declare
  p_owner   varchar2(30) := 'CRD_ADMIN';
  p_table   varchar2(30) := 'TS_ORDER_HISTORY';
  p_column  varchar2(30) := 'ACT_TIMESTAMP';
  low_raw   raw(32);
  high_raw  raw(32);
  low_date  date;
  high_date date;
begin
  select low_value into low_raw from dba_tab_columns where owner = p_owner and table_name = p_table and column_name = p_column;
  select high_value into high_raw from dba_tab_columns where owner = p_owner and table_name = p_table and column_name = p_column;
  dbms_stats.convert_raw_value(low_raw,low_date);
  dbms_stats.convert_raw_value(high_raw,high_date);
  dbms_output.put_line('Low_Value: '||to_char(low_date,'DD-MON-YYYY HH24:MI'));
  dbms_output.put_line('High_Value: '||to_char(high_date,'DD-MON-YYYY HH24:MI'));
end;
/
