摘要：
Join { get initial outer and inner tuples INITIALIZE do forever { while (outer != inner) { SKIP_TEST ... 阅读全文
摘要：
1.赋权给调优用户 grant ADVISOR to xxxxxx; 2.创建调优任务 使用sql_text创建 DECLARE my_task_name VARCHAR2 (30); my_sqltext CLOB; BEGIN my_sqltext := 'select * from emp w 阅读全文