I. Trajectory
Ii. Oracle Introduction
Oracle is now the world's largest database provider,Programming LanguageProvider and application software provider, which is equivalent to Microsoft.
Oracle is known as the oracle in ancient Greek mythology. It refers to the darling of God. In the period of business and we
I. Problem Description
Installation environment: Oracle Linux 6.1
Database: 10.2.0.1
When Oracle 10g RAC is installed, an error is reported when root. Sh is executed on the first node, as shown below:
[Root @ Rac1 ~] #/U01/APP/10.2.0/GRID/root. Sh
Warning: directory '/u01/APP/10.2.0' is notowned by root
Warning: directory '/u01/app' is not ownedby Root
Warning: directory '/u01' is not owned byroot
Checki
Lab environment: Oracle 11g R2 RAC (11.2.0.3.5) Oracle Enterprise Linux 5.6x86
1. Create an ASM disk group and mount the disk on two nodes. Then, partition the disk on the first node. [root @ Rac1 ~] # Fdisk-ldisk/dev/SDE: 2147 MB, 2147483648 bytes255 heads, 63 sectors/track, 261 cylindersunits = cylinders of 16065*512 = 8225280 bytes
Device boot start end blocks ID system/dev/sde1 1 261 2096451 83 Linux
Cr
Tags: Oracle python cx_oracle1. Download and install the Cx_oracle installation packagePython Operations Oracle database, the first need to install the Cx_oracle package, as follows:http://cx-oracle.sourceforge.net/Http://sourceforge.net/projects/cx-oracle/files/5.1.2/The sy
Tags: python oracle cx-oraclePreparation: 1, download the corresponding version of Oracle-instantclient (I here is 11.2.0.1.0)http://www.oracle.com/technetwork/database/features/instant-client/index-097480.html2. Installation-ivh oracle-instantclient11.2-basic-11.2.0.1.0-1.x86_64.rpm3. Configure Environment variablesLD
This article describes how to install Oracle 11gR2 (11.2.0.3) in Oracle Linux 6.3 ). Since Oracle 11g, the official Oracle website does not provide a download link for its Patch. You need to use the Meatlink account to download the Patch. Do not worry about the kids shoes. If you do not have a Metalink account, you can
Build a GoldenGate bidirectional replication environment from Oracle to Oracle
Objective: To build a Goldengate two-way replication environment (DDL + DML supported) from Oracle to Oracle ).
Environment:
OS: Red Hat Enterprise Linux Server release 5.5 (Tikanga)
DB: Oracle D
TNS-00510 Internal Limit restriction exceeded
Cause Too Many files or sockets open simultaneously (or some other resource has).
Action for further details, trace the operation for protocol details.
TNS-12500 Tns:listener failed to start a dedicated server process
Cause the process of starting up a dedicated server process failed. The executable could is found or the environment may is set up incorrectly.
Action Turn on tracing in the ADMIN level and re-execute the operation. Verify that's
Sort out the key points of Data Query Optimization in Oracle databases, and query oracle Data
The most basic task of a database is to store and manage data. The only database feature that an end user can see is its performance: the speed at which the database processes the results of a specified query, and return the results to the tools and applications used by the user. From the perspective of Application
Previously, it was very easy to install and use ORACLE on 32-bit Windows 7. But now the system has been upgraded. tools like PL/SQL developer or navicat premium cannot connect to 64-bit oracle. 32-bit oracle can be installed in a 64-bit system, but it is not suitable. I have seen many methods on the Internet and succeeded. Now I will propose my method.
Get
Install Oracle 9.2.0 in Linux as 2.1
As early as in the Forum, many colleagues praised how Redhat as 2.1 was easy to use and never had a chance to try this trendy environment. Since the Oracle OCM test environment is also RH as 2.1, I want to install it more. I did not think that this test allowed me to install the OS four times and Oracle three times. It is real
Oracle BBED (oracle block browser and editor tool)Installation and Use
BBEDTools can be used to change dataBlockBut not officially supported.
The installation process is as follows:
$Cd $ ORACLE_HOME/rdbms/lib
$Ls-al * bb *. o
-Rw-r --1 oracleOinstall1671 May 10 2008Sbbdpt. o
-Rw-r --1 oracleOinstall900 May 10 2008Ssbbded. o
$Make-f ins_rdbms.mk $ ORACLE_HOME/rdbms/lib/bbed
Linking BBED utility (bbed)
Rm
Beijing Time October 24, 2006-Oracle Developer (Oracle Depot) was announced at the Oracle Global Technology and Applications Conference, held in San Francisco for 2006. This is a free downloadable tool designed to improve the efficiency of software developers, and can greatly simplify how Java developers find, configure, and use Java applications during the learn
Oracle knowledge sorting notes, oracle sorting notes
I want to help you with my learning notes on Oracle knowledge.
1. a brief comparison between SQL Server and OracleLet me show you a picture:
After installing SQL Server, we can see that many databases have System databases and user databases after opening and connecting to the database engine. After
Summary of Oracle parameter viewing methods and oracle parameter Summary
Oracle provides a large number of system parameters. The following is a summary of the query methods.Current System Parameter
The current system parameters involve these views: v $ parameter, v $ parameter2, v $ system_parameter, v $ system_parameter2, and v $ spparameter.V $ parameter
If th
Quickly deploy an Oracle RAC environment using an Oracle VM Template
Oracle VM templates are pre-packaged and pre-configured virtual machines. In the communication between enterprise-level customers, I often use "simple, fast, and error-free" to deploy applications using Oracle VM templates. The
Http://www.itpub.net/thread-1478468-1-1.html
http://tomszrp.itpub.net/post/11835/520574
Starting with version 11.2.0.1, Oracle offers a new way to allocate space: When you create a segment table, the table is not created immediately, but it is created until the first row of records is inserted, segment, This is not the same as our previous segment creation and spatial allocation methods. Such segments are also calledDelay Segment. Starting with versi
Corresponding certificateOracle Certified Expert-OCP (Oracle certified Professional)Certification Prerequisites For OCP certification, OCA, OCP certification training and exams are required through the Oracle Licensing Training Test Center. OCA is a primer for Oracle certification system, proving that you have mastered the basic knowledge of the database, you can
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