These views list normalized statements that have performed sorts. By default, rows are sorted by descending total latency.
          The statements_with_sorting and
          x$statements_with_sorting views
          have these columns:
- query- The normalized statement string. 
- db- The default database for the statement, or - NULLif there is none.
- exec_count- The total number of times the statement has executed. 
- total_latency- The total wait time of timed occurrences of the statement. 
- sort_merge_passes- The total number of sort merge passes by occurrences of the statement. 
- avg_sort_merges- The average number of sort merge passes per occurrence of the statement. 
- sorts_using_scans- The total number of sorts using table scans by occurrences of the statement. 
- sort_using_range- The total number of sorts using range accesses by occurrences of the statement. 
- rows_sorted- The total number of rows sorted by occurrences of the statement. 
- avg_rows_sorted- The average number of rows sorted per occurrence of the statement. 
- first_seen- The time at which the statement was first seen. 
- last_seen- The time at which the statement was most recently seen. 
- digest- The statement digest.