Oracle execution plan analysis

get SQL_ID

select * from v$sqltext t where t.SQL_TEXT like '%select NVL(a.area,b.region) as region%' ; 

Get the information needed to execute the plan

SELECT t.SQL_ID,
       t.DEPTH , 
       t.object#,
       t.object_name,
       t.OPERATION , 
       t.options,
       t.cost,
       t.bytes,
       t.CPU_COST,
       t.IO_COST,
       t.TIME , 
       t.ACCESS_PREDICATES,
       t.FILTER_PREDICATES
  FROM V$SQL_PLAN t
 where t.SQL_ID = '1wuv0bw37ndqd' ;