解密 Oracle 数据库 SQL 执行历史：掌握多种实现方式，轻松实现 SQL 监控与性能优化

-- 找出哪个数据库用户用什么程序在最近三天执行过delete或truncate table的操作
 
  SELECT c.username,
         a.program,
         b.sql_text,
         b.command_type,
         a.sample_time
    FROM dba_hist_active_sess_history a
         JOIN dba_hist_sqltext b
            ON a.sql_id = b.sql_id
         JOIN dba_users c
            ON a.user_id = c.user_id
   WHERE     a.sample_time BETWEEN SYSDATE - 3 AND SYSDATE
         AND b.command_type IN (7, 85)
ORDER BY a.sample_time DESC;