查看Oracle最耗时的SQL

http://www.2cto.com/database/201312/264372.html

http://wenku.baidu.com/link?url=_11HqxvkdxRpyziLyCARUzOynG1zR26rhw8gTj1oaDSi0tatpCj24B-cSYM59qXqsSGALzwbQ5rc0Ii6Cactrp1ZdlX8IOLrwhPNCt_SjDG