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Bkjia.com exclusive Article]Oracle 11gR1 provides the ability to capture application loads in the production environment and replay loads in the testing environment, this technology is used to determine the impact on the performance of the system, database, or application after modification. In this article, I will describe how to capture and prepare the load from the current production database in the p + 0 environment, and how to replay the same loa
database normally, as follows: C: \ Windows \ system32> set ORACLE_SID = sunC: \ Windows \ system32> e: \ oracle \ product \ 10.2.0 \ db_1 \ BIN \ sqlplus.exe/as sysdbaSQL * Plus: Release 10.2.0.4.0-Production on Monday May 14 17:06:32 2012Copyright (c) 1982,200 7, Oracle. All Rights Reserved. Connect:Oracle Database 11g Enterprise Edition Release 11.2.0.1.0-64b
Before Oracle 11g, adding a column to a large table and setting the default value would be a tragedy. sometimes you have to select the online redefinition function to achieve this requirement. adding new columns and setting the default values in 11 GB only allows you to modify the data dictionary to achieve this function, greatly improving the efficiency.Add 10g
system (for example, OCFS2 or ACFS), and adding new nodes to the cluster is simplified because the software does not need to be reinstalled on the new node. Patching is also simplified-only one Oracle home directory needs to be patched. But patches cannot be installed in rolling, so downtime is unavoidable. During the installation, Oracle Universal installer will alert the administrator to install or upgra
file; CP: Copy files; MV: renaming, moving files; RM: Delete files; mkdir: Create directory; RmDir: Delete directory; Stat: View file statistics; File: View files type; Cat/more/less/head/tail: View the contents of the file; 2 absolute Path relative path Absolute file path: Defines the exact location of the directory in the virtual file structure, starting with the root of the virtual directory; Relative file path: Specifies the destination fil
Partition partitioning is a performance and Management Optimization Technology launched by Oracle. In the Oracle database technology system, Partition is a big Data processing policy officially recognized by Oracle in the DW (Data Warehouse) system.For the single Partition t
Tags: capacity www. Lib BST ksh opening an ace share pictureReference article:Http://www.cnblogs.com/lightnear/archive/2012/10/07/2714247.htmlHttp://www.cnblogs.com/xqzt/p/5456401.htmlHttp://www.cnblogs.com/anzerong2012/p/7528311.htmlFirst, installation environmentCentOS Linux release 7.2.1511 (Core)Oracle Database 11g Release 2 (11.2.0.4)Second, before the installation of 2.1 modify host nameModify the hos
Oracle 11g-oracle Startup and shutdownTarget:1. Understand the sequence of reading parameter files in oracle-11g startup;2. understand four states of Oracle;3. Master the method of State transformation. 1. Read the parameter file
BKJIA featured translations] in the previous articles, BKJIA briefly described several new features of Oracle 11g R2, referring to the Oracle 11g topic ). Finally, let's make a summary to introduce some of the new features in Oracle 11g
-nov-2016 19:22:52 Copyright (c) 1997, Oracle. All rights reserved. Used parameter files: Used TNSNames Adapter to resolve the aliasAttempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP) (HOST = 192.168.50.241) (PORT = 1521)) (Connect_data = (SER VER = dedicated) (service_name = ORCL)))OK (0 msec)ALTER DATABASE set standby database to maximize availability;5.rman backup database, in the Flash back zoneBackup Database plus archivelog;Backup c
wasn't restored from a sufficiently old backupOra-01110:data file 1: '/OPT/ORACLE/ORADATA/TPY100/SYSTEM01.DBF 'Is the standby monitoring is not open, using lsnrctl start, start monitoring, and then open the database will not error.sql> ALTER DATABASE recover managed standby database using current logfile disconnect from session;The test has the following statement:Sql> select sequence#,applied from V$archi
1. DB_BLOCK_CHECKSUM parameter description Before Oracle 10.2.0.3: DB_BLOCK_CHECKSUM has two options: TRUE and FALSE. The default value is TRUE. In Oracle 10.2.0.3: DB_BLOCK_CHECKSUM has three options: OFF | TYPICAL | FULL. The default value is TYPICAL. In Oracle 11g: DB_BLOCK_CHECKSUM has five options: OFF | FALSE | T
Oracle provides the scott user's re-creation script, and the 11G uses the script to create scott. The simple operation is as follows: SQL> select * from dba_users where username = 'Scott '; ------ SCOTT has been manually deleted. No rows selectedSQL> exitDisconnected from Oracle Database 11g Enterprise Edition Release
database. In the continuous recovery mode, oracle will not apply the archived logs, but will only apply the archived logs that will come later.New tables, tablespaces, and datafiles can be applied to the standby database through Logs. However, new temporary tablespaces and rename datafile cannot be applied to the standby database.When the archive log gap occurs, you need to find the corresponding archive log and copy the archive log to the log_archiv
Label:1. Environmental information:System:Oracle-linux 5.7 Database version:Oracle Database 11g Enterprise Edition Release 11.2.0.3.0-64bit ProductionPL/SQL Release 11.2.0.3.0-productionCORE 11.2.0.3.0 ProductionTNS for Linux:version 11.2.0.3.0-productionNlsrtl Version 11.2.0.3.0-production Main Library: 192.168.12.31 Sid:yoon Db_unique_name:yoonLibrary: 192.168.12.231 Sid:yoon DB_UNIQUE_NAME:YOONDG 2. Check if DG is installed:Sql> SELECT * from v$op
features designed to solve a series of Database problems, from keeping more information to data compression and processing parallel updates. Rozwat said that the 11g contains many new features related to scalability, which is one of the major challenges facing the database industry. Rozwat indicates that the rapid growth of information generation and storage speed is related to the popularization of onlin
/dbhome_1/ Database location:/opt/oracle/oradata/ Product list:/opt/oracle/oraInventory/ SHAPE \ * MERGEFORMAT SHAPE \ * MERGEFORMAT Verify installation result Access the database using sqlplus from the command line Access https: // dbserver: 1158/em/from a browser/ Username sys, administrative password, connection identity SYSDBA [Root @ dbserver ~] #Cd/opt/o
Installing Oracle 11g R2 silently in CentOS I,Http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.htmlOracle 11g online documentation:Http://www.oracle.com/pls/db112/homepage Ii. System RequirementsMemory: 1 GB (minimum official requirement: 1 GB)Hard Disk: 40 GB (4.29G and 1.7G data files req
+ ---------------- Install and configure Oracle 11g R2 on centos 5.5 ----------------- ++ -------------------------------- By kerryhu ------------------------------------ + I. Runtime EnvironmentSystem Environment: centos 5.5 32-bit (graphical installation)Hard Disk Partition:/Boot 150 mSwap 4096 M (at least 3 GB)/10g/Home 5g/Tmp 5g/Usr 10g/Usr/local 10g/Var 10g/OPT 10g/
I see a lot of questions on shared file systems the can used when people move from single instance to Oracle RAC Datab ASE and Grid Infrastructure. The most common question are the following: "should I place archive logs in OCFS2 or ASM or ACFS of 11g?" I ' ll try to clarify this topic below.First we need to understand a separation between Oracle database files a
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