Oracle

This article describes how to build a Acfs file system on a virtual machine that already has 12c RAC installed, and use the ACFS snapshot to brush a cow (Copy-On-Write) library to do the test library. Highlight Step: Add ASM disk to virtual

Summary: Oracle announced the porting of Oracle 8 and Oracle Application Server at the end of last yearTo Linux. This is a clear and unmistakable sign: the whole world should realize that Linux hasis a serious operating system, enough to take on

Oracle Create, delete database LINKCreate Dblink: Create database link [name] connect to [username] identified by [password] using ' (DESCRIPTION = (address_ LIST = (address = (PROTOCOL = TCP) (HOST = [IP]) (port = [port]))

During the Oracle database operation, the DBA should monitor the database's running log and table space usage, and discover the problems in the database as early as possible. Oracle Warning log file monitoring Oracle will log some of the database

About several Oracle functions that handle the number of decimal places ()1. Rounding of several decimalsSelect Round (1.2345, 3) from dual;Results: 1.2352. Reserved two decimal places, onlySelect Trunc (1.2345, 2) from dual;Results: 1.23Select

The disk is now worthless, so a LUN that is mapped from storage to the host may be large.Recently encountered a problem: 2 Windows hosts to use as RAC, storage mapped to Windows a disk has a 10T size. As we all know, the shared disk in Oracle RAC

QUESTION 1You notice the performance of the database have degraded because of frequent checkpoints.Which resolve the issue? (Choose.)A. Disable Automatic checkpoint TuningB. Check the size of the redo log file size and increase the size if it is

The problem is as follows:Sql> Conn Scott/[email Protected]_databaseConnected to Oracle Database 11g Enterprise Edition Release 11.1.0.6.0Connected as Scott。。。。。。sql> drop table Student2;drop table Student2ORA-00054: The resource is busy, but the

How to use database development tools such as navicat for efficient development will be the focus of future work. Navicat is beautiful enough to operate a fool, and its powerful features are comparable to PL SQL. Today's study is how to use data

Oracle Forms is has it default records filter, which we can use through Enter Query mode to specify some search Criter IA or to filter records before display, but can also create your own filter, which can is more user friendly and easy To use.   In

Oracle Data Integrator 12c installation (ODI installation)Enterprise Edition installation steps (including standalone installation steps)Download Oracle Data Integrator 12CR2 (12.2.1.0.0) address on official websiteFor example, when installing ODI,

Oracle initiates monitoring error, indicating connection interruption[[Email protected] ~ for linux:version 11.2.0.1.0-production on 06-aug-2014 20:02:161991, 20 , Oracle. /opt/oracle/11g/bin/tnslsnr:please Wait ... TNS-12537: tns:connection

Toad for Oracle installation package: Http://pan.baidu.com/s/1mgBOLZUAccessing database objects and writing SQL programs is a tedious and time-consuming task in the development of Oracle applications, and it takes a lot of SQL scripts to manage the

An Invoice development test library Upgrade       pre-upgrade preparation, this upgrade is only a test environment database upgrade, so there is no one months in advance to obtain the system, database statistics, Machine performance ratio to speed

Oracle String FunctionsRecently changed the new company, and back to the Oracle database, a lot of things have forgotten, just have an impression, these two nights smoked a bit of time, the oracle of the string of some processing functions to do a

1. Update the system to the latest:sudo apt-get updatesudo apt-get dist-upgrade2. Install the dependent packages required by Oracle:sudo apt-get install Automakesudo apt-get install Autotools-devsudo apt-get install binutilssudo apt-get install bzip2

There are three specific solutions to these1. Closing the database connection in most cases can solve the problem, but sometimes the problem persists.2."1. Close all ArcMap and Arccatalog sessions."2. Start-run--cmd"3. Run command ' sdemon-o kill-t

In Oracle 11GR2, the login audit information for SYS users is logged by default in the Audit_file_dest directory, but the operation content is not audited.Enable auditing of SYS user action behaviorSql> alter system set AUDIT_SYS_OPERATIONS=TRUE

Oracle Developer is famous for its rapid data processing and development, and its exception handling mechanism is also relatively complete. 1. Advantages of exceptions If no exception occursProgramCheck whether each command succeeds or fails,

A customer from a friend company helps with analysis. The customer uses oracle 12c (12.1.0.1), and the application uses jdbc to access the database. However, it is found that everything works normally through sqlplus access.I thought it was a