Oracle check heavy query

check_heavy_query.sql

select --* 
 sql_text,
 sql_id,
 sharable_mem,
 fetches, executions,
 first_load_time, last_load_time, last_active_time,
 disk_reads,
 cpu_time, elapsed_time
 plsql_exec_time, rows_processed,
 parsing_schema_name,
 physical_read_bytes, physical_write_bytes
from v$sql
order by physical_read_bytes desc