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    Rex Mao

    分享java技術與生活

    Oracle SQLPLUS 常用命令小結(一)


    1. 顯示當前連接。

    SQL:
            SELECT *                                                                                                                                                 
            FROM V$SESSION                                                                                                                                 
            WHERE STATUS = 'INACTIVE'                                                                                                             
            AND USERNAME IS NOT NULL;                                                                                                         


    2. 強制關閉用戶的連接

    SQL:
        a) SELECT USERNAME, SID, SERIAL#                                                                                                   
            FROM V$SESSION                                                                                                                                 
            WHERE STATUS = 'INACTIVE'                                                                                                             
            AND USERNAME IS NOT NULL;                                                                                                         
                                                                                                                                                                              
        b) ALTER SYSTEM KILL SESSION 'SID, SERIAL#'; --SID 和 SERIAL#是在步驟a)中得到的結果。


    3. 從返回的結果中選擇第m到n條記錄

    SQL:
            SELECT *                                                                                                                                                   
            FROM (                                                                                                                                                      
                         SELECT A.*, ROWNUM RN                                                                                                       
                         FROM (                                                                                                                                         
                                       SELECT *                                                                                                                        
                                       FROM YOURTABLE --這里請用你的SELECT語句代替                                            
                                      ) A                                                                                                                                     
                         WHERE ROWNUM <= n                                                                                                              
                         )                                                                                                                                                      
            WHERE RN >= m;                                                                                                                                      
        
    4. 重新編譯包 (package) 和 包體 (package body)
        此命令可以用于查看在SQLPLUS中創建的package的編譯錯誤。

    SQL:
            a) 編譯 package
                ALTER PACKAGE YOUR_PACKAGE                                                                                                 
                COMPILE SPECIFICATION;                                                                                                                
            b) 編譯 package body

                ALTER PACKAGE YOUR_PACKAGE                                                                                                 
                COMPILE BODY;                                                                                                                                   

            c) 查看錯誤
                SHOW ERR;                                                                                                                                             

    5. 解除鎖定的用戶

    SQL:
    SQL:
        ALERT USER USERNAME UNLOCK;


     

    posted on 2008-05-17 14:11 Rex Mao 閱讀(3118) 評論(2)  編輯  收藏 所屬分類: 技術

    評論

    # re: Oracle SQLPLUS 常用命令小結(一) 2008-09-05 00:52 I appreciate you

    It's simple, but it's useful ^^  回復  更多評論   

    # re: Oracle SQLPLUS 常用命令小結(一) 2008-09-24 21:40 somebody

    怎么不更新了呢?  回復  更多評論   

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