1. Oracle introduction Oracle is the first word for English translation of Oracle (oracleboneinscriptions) Unearthed from Yin Yu. Oracle is the world's largest supplier of information management software and services. Founded in 1977, Oracle is headquartered in Redwoodshore,
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
Http://www.itpub.net/thread-1478468-1-1.html
Http://tomszrp.itpub.net/post/11835/520574
Since version 11.2.0.1, Oracle has provided a new space allocation method: When you create a non-partition table, this table segment is not created immediately, instead, the segment is created only when the first row of the record is inserted. This is different from the method used to create and allocate space for the segment. such a segment is also calledLatency.
Http://www.oschina.net/p/oracle10g Database Server
Oracle
1People are concerned about this software
Oracle is a database for Internet computing environments. It is a product of Oracle (Oracle), which has been leading the database field. Oracle relational database sys
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
Oracle 11g ASM: how to create an Oracle ACFS file system experiment environment in ASMCMD command line tool: 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
Football and oracle series (5): The directX library missing in the voda14 game is similar to the oracle rpm package, fifa 14rpm
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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
Summary of Common commands for executing scripts in Oracle databases and common commands in oracle
1. Execute an SQL script file
Copy codeThe Code is as follows:Sqlplus user/pass @ servicename
Or
Copy codeThe Code is as follows:SQL> start file_names
Or
Copy codeThe Code is as follows:SQL> @ file_name
We can save multiple SQL statements in a text file, so that when we want to execute all the SQL statements
This article mainly discusses the following sections: How to view query Oracle character set, modify settings character set, and common Oracle UTF8 character set and Oracle exp character set issues.
One, what is the Oracle character set
An Oracle character set is a collectio
About OracleOracle Database, also known as Oracle RDBMS, or Oracle. is a relational database management system of Oracle Corporation. It is a leading product in the field of database. It can be said that Oracle database system is currently the world's popular relational database management system, System portability, e
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
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