Oracle

1. Use multiple rollback segments Use multiple rollback segments to share contention for rollback segments to improve system performance. The system uses loops to allocate the rollback segment. When Oracle creates a database, the system

Online log file inacitve state indicates that the log contains data modifications that have been synchronized to the data file and that the instance is not needed when it is recovered, so its loss does not cause any data loss, but can cause the

* * The test is for the next test, according to the condition of the increment column as the partitioning condition, according to the time as the partition condition. Create tablespace test01 datafile ' D:\oracle\oradata\myora\test01.dbf ' size

RAC is a cluster of Oracle companies, and there are many articles on the web that introduce the RAC configuration. But holding these wonderful documents doesn't necessarily make the RAC configuration successful. Because RAC is a very complex

oracle| Data | database This paper briefly describes the JSP operation database with a complete JavaBean database access program.This program consists of 3 beans, where global variables are defined in Webconstants, ConnectionManager manages database

Oracle 1. Download and install Oracle 8i for Linux. Complete installation, do not install the client only Download location: Hot download of Chat.hn.cninfo.net/soft 2. Download PHP3 or PHP4 source code Download location: www.php.net www.phpuser.com

oracle| Data | database An Oracle physical structure failure is a variety of database failures that result from corruption of each physical file that constitutes a database. These failures may be caused by a hardware failure or by a human error. So

oracle| Process | data | database Oracle 9i Database Migration process Author: unknown Database movement, often occurs during the implementation of a project, and for experienced DBAs, database movement is very easy. But for some people who only

Oracle How to present Oracle's relative functions in DB2 (III.) Author:ccbzzp In reality, you may often encounter some of the functions of Oracle in DB2, Here I simply conclude that there may be many ways in which a function can be found, not all of

Enterprise|oracle 1) Hardware Environment At least 512MB RAM, but 256MB due to test enough Hard drive must be at least 6G (2G system +4g database) 2) Installation RHEL3ASU2 Choose the minimum installation, about 500 MB. Turn off the firewall. Fixed

Oracle Link Http://www.eygle.com/case/sga2.htm Case Description: This is a large production system System accumulates a large number of user processes when problems arise User requests do not respond in a timely manner, and new processes

oracle| Solution How to install Oracle data on various versions of Linux has been a lot, and it's very detailed, supposedly just follow Step by step, there should be no problem. I have also had Oracle 9.2.0.1 installed on Redhat 9, not appearing Any

oracle| Error | solution | original No one will deny that Oracle is one of the world's most influential database products, but that good things don't always seem to be as useful (at first glance), or even ruthless--always give layman a ruthless

oracle| Script In a longer period of interaction with Oracle, each DBA, especially some heroes have a variety of scripting tools to complete a variety of purposes, so very convenient and quick to complete the day-to-day work, the following part of

As an Oracle DBA, a number of problems with character sets are frequently dealt with at work. But when you really want to write something about it, you suddenly don't have a clue. After a half-day, or decided to use the two character set as an

In this paper, the configuration scheme of Oracle database is described in detail in several aspects. All users connected to Oracle must execute two code modules: Application or Oracle Tools: A database user executes a database application or an

And then, in the previous example, set up two indexes on the table: Sql> CREATE INDEX Ind_t_owner on T (OWNER); The index has been created. Sql> CREATE INDEX ind_t_id on T (object_id); The index has been created. For full table scans, use the

1. Recover control files from automatic backup using Rman (without Fra) ORACLE will default to create server parameter files and control files in the $oracle_home/dbs or $ORACLE _home/database directory. Assuming that the instance parameter file

If the backup is not recoverable, then it is useless. RMAN provides a way to check database restore capabilities without having to restore the database, and provides several check options for the user. 1. Restore Preview command This command lets

Test 1. Create a user leonarding and grant DBA authority Sys@leo> create user leonarding identified by leonarding default tablespace users; Sys@leo> Grant DBA to leonarding; 2. Create a T-table, as long as the structure of information Sys@leo>