文章目錄 1.START WITH 可以省略2.START WITH 與CONNECT BY PRIOR位置可互換3.nocycle關鍵字4. connect by prior 後麵條件順序的改變 (???)5.還可以加where條件 寫代碼時碰到要弄清楚Oracle的role之間的傳遞關係,就是有role A的話,可以通過grant A to B,把A賦予給B,又通過grant B to C
首先進行一些基本的設定1.SQL*PLUS中輸入SQL> connect sys/sys as sysdba; SQL> alter system set job_queue_processes = 6; --自動執行資料收集時該參數需要大於0System alteredSQL> alter system set timed_statistics = true; System altered--使用statspack收集統計資訊時建議將該值設定為
客戶的11.2.0.3 RAC環境自動啟動並執行JOB報錯ORA-29280。詳細錯誤資訊為:Sat Sep 15 05:59:59 2012 VKRM started with pid=54, OS id=32622 Sat Sep 15 06:00:09 2012 Errors in file /opt/app/oracle/diag/rdbms/orcl/orcl1/trace/orcl1_j001_32634.trc:ORA-12012: error on auto execute
RMTHOSTValid for ExtractUse the RMTHOST parameterto:● Identifya remote system to which the local Extract process connects● Specifythe TCP/IP port number on that system where the Manager process is running● Controlvarious attributes of the TCP/IP
1 Starting Redo Apply To start apply services on a physical standby database, ensure thephysical standby database is started and mounted and then start Redo Applyusing the SQL ALTER DATABASE RECOVER MANAGED STANDBY DATABASE statement.You can specify
匯入oracle資料庫的問題,這些方法也可以用於將其它格式的資料匯入到oracle中,這裡只是以excel為例。方法一,使用SQL*Loader這個是用的較多的方法,前提必須oracle資料中目的表已經存在。大體步驟如下:1 將excel檔案另存新檔一個新檔案比如檔案名稱為text.txt,檔案類型選文字檔(定位字元分隔),這裡選擇類型為csv(逗號分隔)也行,但是在寫後面的control.ctl時要將欄位結束字元改為','(fields terminated by ','),假設儲存到c盤根目
今天用PL/SQL串連某資料庫老報ora-12541:TNS:無監聽程式 錯。解決辦法:Refer to the SQL*Plus User's Guide and Reference for more information.[oracle@vserever75 ~]$ sqlplus /nolog SQL*Plus: Release 10.2.0.4.0 - Production on Thu Apr 25 10:28:11 2013Copyright (c) 1982, 2007,
通過SQL Linked Server 執行Oracle 預存程序小結1 舉例我們可以通過下面的方法在SQL Server中通過Linked Server 來執行Oracle 預存程序。(1) Oracle PackagePACKAGE Test_PACKAGE AS TYPE t_t is TABLE of VARCHAR2(30) INDEX BY BINARY_INTEGER; PROCEDURE Test_procedure1 ( p_