1. Oracle Overview-Oracle Database, referred to as Oracle. Oracle (Oracle) is an object-relational database management system (ORDBMS) in the United States. Currently occupies a major share of the database market.-Oracle's history: 1977 Ellison and two friends, established R
About Oracle ASM instances
About Oracle ASM disk groups
About grouping and failure groups
About Oracle ASM Disks
About Oracle ASM files
About Oracle ASM instances
The Oracle ASM instance is built based on the same technology a
Oracle learning notes first knowledge Oracle, oracle learning notes first KnowledgeDatabase Introduction
A Database is a warehouse that organizes, stores, and manages data according to the data structure. SQL is the acronym of Structured Query Language (Structured Query Language.Definition
DatabaseTo put it simply, it can be regarded as an electronic file cabin
I. High cluster wait time problems in RAC1. Set the LMS process to FX 60. Do not adjust the number of lms processes too much.Note: process priority can be set after Solaris 10 Update 10 and Solaris 11. You can view the/etc/release Version. For example, Oracle Solaris 10 1/13 indicates Solaris 10 Update 11. For details, refer to:
Label:Oracle 11G RAC Database installation (eight)
Overview: write down the original intent and motivation of this document, derived from the Oracle Basic operating Manual of the previous article. The Oracle Basic Operations Manual is a summary of the author's vacation on Oracle's foundational knowledge learning. Then form a summary of the system, a review review, the other is easy to use. This doc
(global Open) at the same time. Finally, the ORBN process actually performs the load balancing of the data extension. You can run multiple ORBN processes in an instance, ORB0,ORB1, and so on. When a DB instance uses an ASM disk group, the OSMB process is also started. This process is responsible for communicating with the ASM instance (Automatic Storage Management instance). The LMS (Global Cache Service) process, which exists in a RAC environment,
Oracle client + PLSQL Developer remote login to Oracle database, oracle client plsql
Oracle databases have powerful functions and excellent performance. These advantages also result in a large amount of memory occupied by Oracle. To address this problem, how can we extract t
When Oracle is not installed on the computer, C # Calls oracle database and Oracle customer tools,
The installation packages of Oracle are usually relatively large and time-consuming. If errors occur during the installation process, the installation may be quite annoying. At work,
Tags: OracleSet power on (Linux) auto-start Oracle shutdown automatically shuts down Oracle1, switch to the root user, confirm that the startup file and the shutdown file is present[Email protected] bin]$ pwd/u01/oracle/product/10.2.0/db_1/bin[[email protected] bin]$ ls DbstartDbstart--sqlplus script to invoke when executing startup[[email protected] bin]$ ls DbshutDbshut--sqlplus the script to invoke when
Oracle redo complexity-oracle Core Technology Reading Note 3, redo-oracle
I. Overview
We know that in oracle, Every modification to a piece of data generates a redo (that is, redo, which records the modified content ). The purpose is to back up the modified data for future redo. Now there is a problem. Redo logs are ge
Because of the installation of Oracle 10G when there was a problem, and then asked roommates to send a copy of the Oralce 10g client installation package came up.
It was possible to use Pl/sql, and then, in the case of a job need, to import an Oracle database backup from a colleague at a time, making
IMP statement to import a 6550 error, the internet to check the reason is because the server and the clien
[Oracle Notes] 2. Oracle Server entry and Oracle management routine
[Oracle Notes] 2. Oracle Server entry and Oracle management routine
Oracle Server entry and
Method 1: As you all know, to connect to Oracle using PL/SQL, you need to install the Oracle client software. Have you ever wondered whether to directly connect to Oracle without installing the Oracle client? In fact, I always wanted to do this, because this client is so annoying !!! Not only will JDK be installed, but
Oracle how to ensure the ACID principle of transactions -- oracle Core Technology Reading Note 2, acid -- oracle
There are four general principles in the transaction that all databases must comply with, referred to as the ACID principle. The following briefly describes how oracle implements these four principles.
1. A
1.oracle InstallationRefer to http://wenku.baidu.com/view/d01ffd43336c1eb91a375d68.html, no longer repeat here2. Command line sqlplus Connect Oracle(1) Check the monitoring statusc:\>lsnrctl StatusLsnrctl for 32-bit windows:version 9.2.0.1.0-production on 2 August-June-2005 11:01:01Copyright (c) 1991, 2002, Oracle Corporation. All rights reserved.Connecting to (D
The SCN propagation mode of BOC is only propagated when the SCN of a node changes, and the LGWR process works in conjunction with the LMS process to synchronize the SCN,LGWR between nodes to write redo information to the Redo log file and send the latest SCN. The LMS process is responsible for the propagation of SCN information between nodes.There are two kinds of SCN transmission modes in BOC: Indirect and
Environment Linux 5.8 10.2.0.5 RAC, two nodes can mount only one node, if you try to mount another node, the ORA-01105 and ORA-01606 error is reportedDatabase VersionCopy codeThe Code is as follows:SQL> select * from v $ version;BANNER----------------------------------------------------------------Oracle Database 10g Enterprise Edition Release 10.2.0.5.0-64biPL/SQL Release 10.2.0.5.0-ProductionCORE 10.2.0.5.0 ProductionTNS for Linux: Version 10.2.0.5.
Some time ago I started to learn some basic knowledge about oracle. To facilitate exercises and operations, I installed an Oracle 10 Gb. After the installation is complete, the current database is directly deprecated. The card is terrible. The card can only be used for surfing the Internet. At that time, I was too busy to do anything else, so I never care about it. Together with the last Internet cafe. Thes
Some of the basics of Oracle have been learned some time ago, and for ease of practice and operation, an Oracle 10g was installed. After the installation, the book was directly discarded. Card to the death, card to directly can only be used as the Internet. At that time because of busy also do not do other things, so has not been in charge of it. Make up for the last Internet café. The two days are free. So
Method 1:
As we all know, to connect to Oracle using PL/SQL, you need to install the Oracle client software. Have you ever wondered whether to directly connect to Oracle without installing the Oracle client?
In fact, I always wanted to do this, because this client is so annoying !!! Not only will JDK be installed,
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