ORA-01031: insufficient privilegesORA-06512: at "SYS.DBMS_SESSION", line 90ORA-06512: at "UNIFLOW.SET_MY_APP_CTX", line 5ORA-06512: at line 1應用程式環境 使用用戶端標識符有它的優點,但也存在嚴重的安全威脅:這種設定假定使用者將值設為真正的使用者 id,但這一點無法得到保證。惡意攻擊的使用者可以串連然後將該值設為不同的使用者
SELECT (rd * (ups * overhead) + overhead) AS "Bytes" FROM (SELECT VALUE AS rd FROM v$parameter WHERE NAME = 'undo_retention'), (SELECT (SUM(undoblks) / SUM(((end_time - begin_time) * 86400))) AS ups FROM v$undostat), (SELECT VALUE AS
中文的正確顯示 首先要解決的就是中文的正確顯示。開啟控制台,點擊“Data, Time, Language , and Regional Options”,然後再點擊“Regional and Language Options”,會彈出一個視窗,開啟這個視窗的“Languages”選項卡,選中“Install files for East Asian
Hi!A few weeks ago, we announced the finalists for our fourth annual CommunityChoice Awards.Each and every one of our finalists is an interestingproject that deserves to win, and we want you to vote.http://sourceforge.net/community/cca09/voteThis
Oracle提供了很多進階的統計函數,如rollup、cube、grouping、grouping sets,同時在資料庫層還提供了維、立方等對象,可以通過定義維和立方實現查詢重寫,提高資料倉儲的 select 批次號,種類,單位類型,sum(金額),count(1) from 資料表 where 批次號 = 20080727 and 順序號 < 200807031223222133 group by 批次號,cube(種類,單位類型);--------------------------
HOW TO FIND THE SESSION HOLDING A LIBRARY CACHE LOCKDoc ID: Note:122793.1Subject: HOW TO FIND THE SESSION HOLDING A LIBRARY CACHE LOCKType: BULLETINStatus: PUBLISHED Content Type: TEXT/PLAINCreation Date: