1.查看消耗资源最多的SQL: SELECT hash_value, executions, buffer_gets, disk_reads, parse_calls FROM V$SQLAREA WHERE buffer_gets > 10000000 OR disk_reads > 1000000 ORDER BY buffer_gets + 100 * disk_reads DESC; 2.查看某条SQL语句的资源消耗: SELECT hash_value, buffer_gets, d…