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1.1 symptom description authorized by common usersSysdbaFailed to log on to database with the permission. The system displays the following error message:% SqlplusAs sysdba SQL*Plus: Release 11.1.0.7.0 - Production on Thu Nov 26 14:28:11 2009 Copyright (c) 1982, 2008, Oracle. All rights reserved. ERROR: ORA-01017: invalid username/password; logon deniedHowever SysdbaIf you log on directly, the system prompts the following information: % Sqlplus/as s

Oracle undo complexity-oracle Core Technology Reading Notes 4, undo-oracle I. Overview Undo stores old data. For example, if you modify A record to change abc of column A to def, abc is saved in undo. There are two purposes: 1. if your transaction has not been committed, but you have modified column A, when someone else reads this data, they should not be able to

The Data Guard is Oracle's remote replication technology, which has physical and logical points, but in general it needs to have a separate system in place, where two hardware configurations can be different, but the software structure of the two systems is consistent, including software versions, directory storage structures, As well as the data synchronization (in fact, is not real-time synchronization), the two systems as long as the network is available, is a remote disaster-tolerant solutio

Oracle Easy Interface ToolBackground: I work on a remote machine, I need to call data to the Oracle 11g server, the Oracle client is already installed on the remote machine, but neither SQL Plus nor SQL developer and PL SQL developer are available (DBAs don't fix it for a few days). I have the server IP, Oracle user na

Oracle 10g To download Oracle, you also need to register a user name for your convenience. User: wangdetian168@gmail.com Pass: qwe123qweThe password is normal. You don't need to retrieve it.Every change is troublesome.If necessary, you can view the required information on the right. Oracle Database 10g Release 2 (10.2.0.1.0) Enterprise/Standard Edition fo

How to connect toad to Oracle without installing the Oracle client In the past, it was quite troublesome to install the Oracle client when connecting to Oracle. On the one hand, it was difficult to install such a large volume of data. Oracle seems to have provided in

Based on Metalink 362496.1 From the document, the XML Publisher version is not directly available. The most useful is to query its version from the generated report.The details are as follows,PDF output: open the file in Adobe Acrobat-> Menu file-> Document Properties-> Tab description-> Property 'pdf producer 'will show e.g. Oracle XML Publisher 5.6.2RTF output: open the file in MS word-> Menu file-> Properties-> Tab Summary-> Property 'comments' wi

Oracle Silent Installation tutorial, oracle Silent Installation In this article > Content > Indicates that the content is appended to the input file, which is part of the parameter required in the file. Content This means that the content is all in the current file. You can delete the file, create the file, and enter the content. Installation environment, CentOS 6.8, VMware workstation PRO 12 Hardware en

[ORACLE] analyzes 23 oracle sessions and performance statements, and 23 oracle session statements.**************************************** ********************************* *** Original article: blog.csdn.net/clark_xu Xu changliang's column**************************************** ******************************** -- View Cluster waiting for cache busy -- wait for

Tags: style class blog HTTP tar extOracle Easy Interface ToolBackground: I work on a remote machine, I need to call the Oracle 11gserver data, the remote machine has the Oracle client installed, but the SQL Plus and SQL developer and PL SQL developer are not available (DBA toss for a few days no solution of the decision). I have the IP of the server, Oracleusername and password, and know some table names an

oracle| process Oracle Process Memory Architecture-how to view memory consumed by Oracle processes Last Updated:sunday, 2004-11-28 11:12 eygle It is often asked how the memory resources consumed by the process are determined under UNIX, and why the top tool is displayed very high. Some people say that the output of top is not accurate, this argument is not e

Oracle Oracle DAB two day crash course The purpose of this course is to supplement the DBA's two-day quick (2 days dba) manual. In this course, you will learn more about the tasks outlined in the DBA's two-day quick (2 days dba) manual, and include step-by-step instructions. To view the information for this course, click the following Chapter title: Course List 1 What are the elements of the Management