Tune Very Large Hash Join
摘要:
set timing on;alter session set workarea_size_policy=MANUAL;alter session set workarea_size_policy=MANUAL;alter session set db_file_multiblock_read_count=512;alter session set db_file_multiblock_read_... 阅读全文
posted @ 2009-07-02 06:52 Oracle和MySQL 阅读(284) 评论(0) 推荐(0) 编辑