摘要: #####以上仅仅针对11G以上的版本 ##sample 0 with oneday as (select /*+ materialize */ * from v$diag_alert_ext where ORIGINATING_TIMESTAMP > systimestamp - 1)select 阅读全文
posted @ 2019-02-20 20:17 feiyun8616 阅读(457) 评论(0) 推荐(0)