select
  inst_id,                                 -- INST_ID NUMBER
  keyword,                                 -- KEYWORD VARCHAR2(30)
  length,                                  -- LENGTH NUMBER
  decode(                                  -- RESERVED VARCHAR2(1)
    mod(trunc(type/2),2),0,'N',1,'Y','?') reserved,
  decode(                                  -- RES_TYPE VARCHAR2(1)
    mod(trunc(type/4),2),0,'N',1,'Y','?') res_type,
  decode(                                  -- RES_ATTR VARCHAR2(1)
    mod(trunc(type/8),2),0,'N',1,'Y','?') res_attr,
  decode(                                  -- RES_SEMI VARCHAR2(1)
    mod(trunc(type/16),2),0,'N',1,'Y','?') res_semi,
  decode(                                  -- DUPLICATE VARCHAR2(1)
    mod(trunc(type/32),2),0,'N',1,'Y','?') duplicate 
from
  x$kwddef