oim 11g

In general, Oracle 11g R2 RAC provides the following features: High Availability: shared-everything mode ensures that services are not stopped when a single node fails, and other nodes in the cluster will take over quickly Scalability: multiple nodes share the load and can provide processing capabilities far beyond that of a single database. Addition and deletion of nodes can be completed online without downtime Ease of use: multiple databases ca

The focus of this article is "Join clause (join_clause)", rather than table join itself. Content The table and its data used in this article Oracle 11g R1 (11.1) join clause (join_clause) Inner Joins) Cross-join) Outer Join (Outer Joins) Natural Joins) References The table and its data used in this article Department table DEPT Employee table EMP Oracle 11g R1 (11.1) join clause (join_clau

Environment: Oracle 11g R2 + SQLPlus Problem: Oracle SQL Import Solution: Win + Run -------> Cmd -------> enter the following command: -- Syntax: sqlplus user name/password @ SQL File Sqlplus system/manager @ H: \ Oracle \ product \ 11.2.0 \ dbhome_1 \ RDBMS \ ADMIN \ scott. SQL Note: scott under H: \ Oracle \ product \ 11.2.0 \ dbhome_1 \ RDBMS \ ADMIN. the SQL file records the table and data of the SQL user. Importing this file is equiva

If the prompt says no... /oracle/11g/Solaris/j2ee/oc4j_applications/applications/em. ear file. After downloading the Oracle 11g, decompress the package and there are two folders. This error occurs because the file copy is incomplete, you only need to merge the database \ stage \ Components in the second part with the database \ stage \ Components in the first part, and then install the component. If this

Oracle Clusterware 11g 2nd and later versions. For Oracle 11g 2nd and later versions, password-free SSH is required. This command writes the DSA public key ~ /. Ssh/id_dsa.pub file to write the private key ~ /. Ssh/id_dsa file. Do not distribute the private key to any user who has no permission to install the Oracle software. Repeat steps 1st to 4th for all other nodes (bkjia2) that use the DSA key that yo

In the Oracle 11g environment, you can use utl_smtp to create a storage process for sending mails, 11gutl_smtp If there are too many email storage processes on the internet, I will not forward them. Let's make a simple example; Create or replace procedure Send_mail (mail_body varchar2) is smtp_conn utl_smtp.connection; user_name varchar2 (20): = encrypt ('username @ email.com '); user_paswd varchar2 (20): = encode (utl_encode.base64_encode (utl_raw.c

In Oracle11g, you can easily locate the current trace file, that is, access the view v $ diag_info.Store @ TEST> select * from v $ version; BANNER--------------------------------------------------------------------------------Oracle Database 11g Enterprise Edition Release 11.2.0.1.0-ProductionPL/SQL Release 11.2.0.1.0-ProductionCORE 11.2.0.1.0 ProductionTNS for Linux: Version 11.2.0.1.0-ProductionNLSRTL Version 11.2.0.1.0-ProductionStore @ TEST> set l

database (DBCA) Some people say: It turns out that there was a problem with node consistency, but all my checks passed. **************************************** ************************************ [Root @ rac1 ~] #/Opt/app/grid/root. shRunning Oracle 11g root. sh script... The following environment variables are set: ORACLE_OWNER = grid ORACLE_HOME =/opt/app/grid Enter the full pathname of the local bin directory: [/usr/local/bin]: Copying dbhome

Friends who use Oracle 11G may have struggled with this problem. The data exported by the exp command may be inexplicably missing some tables, during the analysis, we will find that these tables are empty tables with no records inserted. The cause is that oracle 11g introduces a new feature. When the new table is not inserted, the server does not create a segment for this table by default to save storage sp

Oracle 11g realbench 2 (11.2.0.1) reports an error when exporting an empty table. After checking the cause, it turns out that an optimization was made in this version. During table creation, no storage space is allocated. The storage space is allocated only when data is inserted for the first time. This saves a lot of storage space when there are many empty tables in the system. However, if the system only has a small amount of space, it is unnecessar

This article describes the process of installing Oracle 11g on RHEL 6.3. You can download RHEL from many image sites, such as Oracle 11g, note that the version 11.2.0.3 is used in this article. Currently, this version is not available for download only for paid accounts, if you need this version, you can contact me by email, readers can download the published version, download 1, download 2. When installing

Before Oracle 10 Gb, the warning log is located in the bdump folder, but 11 GB has changed the log and introduced ADR (a directory that stores the diagnostic logs and tracking files of the database ), it corresponds to the initialization parameter DIAGNOSTIC_DEST. If the $ ORACLE_BASE environment variable is set, DIAGNOSTIC_DEST is equal to $ ORACLE_BASE. If $ ORACLE_BASE is not set, it is equal to $ ORACLE_HOME/log. You can use the following statement to query the path of the

for MigrationImpdp ityy_z1_w/z1_w123 directory = DATA_PUMP_DIR network_link = zqxt logfile = ityy. logThe execution result is as follows:Import: Release 11.2.0.1.0-Production on Friday June 28 16:52:03 2013Copyright (c) 1982,200 9, Oracle and/or its affiliates. All rights reserved.Connect to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0-64bit ProducTionWith the Partitioning, OLAP, Data Mining and Real Application Testing optionsStart "it

Simple Test of Oracle 11g flash back Archiving The new features in Oracle 11g flash back archive provide a possibility for custom query of historical data. After learning this feature, I found that it is clear and easy to use. If used properly, it is still a good feature.Let's simulate an example.First, create an independent tablespace. The attribute must be segment space management auto. Because the defaul

Oracle 11g EM Dbconsole reconstruction tutorial, 11 gdbconsole Overview: You can use command lines and graphical interfaces to manage the daily management of oracle databases. command lines include commands such as sqlplus, srvctl, and crsctl, the graphic interface includes 10 Gb EM dbconsole, 11 gb em dbconsole, grid control centralized management, and EM express and cloud control in 12c; this article describes how to install the EM dbconsole tool o

When Oracle 11G is exported using EXPORT, empty tables cannot be exported. There is a new feature in 11G. When the table has no data, no segment is allocated to save space. Solution: 1. insert a row and then roll back to generate a segment. This method inserts data into an empty table and then deletes it, resulting in a segment. An empty table can be exported. 2. Set the deferred_segment_creation param

Before Oracle 11g, the physical Standby database (physical Standby) cannot be opened when applying redo, but can only be mounted. Starting from 11g, when applying redo, the physical standby database can be in read-only mode, which is called Active Data Guard. With Active Data Guard, you can query or export Data in the physical standby database to reduce access to and pressure on the master database.Active D

Patch 11.2.0.3.4 P14275605 PSU for a single Oracle 11g instance 1. Close all instances SQL> shutdown immediate 2. Disable all listeners $ [Oracle @ ora_11g test01] $ lsnrctl stop 3. Disable all background sqlplus [Oracle @ ora_11g 14275605] $ ps-ef | grep sqlplus Oracle 11823 6859 0 00:00:00 pts/2 grep sqlplus -------------------------------------- Split line -------------------------------------- Install Oracle 11gR2 (x64) in CentOS 6.4) Steps for in

Installing Oracle 11g R2 in LinuxI. installation environment Linux Server: CentOS 6.4 64-bit Oracle Server: Oracle 11gR2 64-bitIi. System Requirements Requirements for installing Oracle in Linux System Requirements Description Memory Physical memory must be higher than 1 GB Swap space Generally, it is twice the memory size. For example, you can set the swap partition size to 3 GB for 1 GB memory. Hard Di

11g rac rebuilding the SPFILE of the ASM instance 1. PrerequisitesYou need to know the following information:1) number of nodes2) the location of the disk included in the ASM disk group3) There are several disk groups for the instance.2. Steps and reconstruction scripts1) Successful scripts:*. Cluster_database_instances = 2+ ASM1.instance _ name = '+ ASM1'+ ASM1.instance _ name = '+ ASM2'+ ASM1.asm _ diskgroups = 'ocr ', 'arc', 'data' # Manual Mount+