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ORACLE9IR2 installation under Red Hat Advanced Server version 2.1

oracle| Server | advanced This article will introduce Oracle Database 9IR2 installation under red Hat Linux Advanced server2.1, if you have experience installing Oracle8i, the following installation process is trivial: Hardware requirements: Hard

Oracle 10203 RAC Environment Add new node (i) Preparation process

Briefly describe the process of adding a node in the Oracle 10203 for Solaris SPARC Dual-node environment. Shared storage is already configured on a third node, which focuses on the configuration on the operating system and on Oracle. This article

Oracle Roles and permissions detailed

I. Oracle built-in role connect and resource permissions Grant Connect,resource to user; Connect role:--is the typical right to give end users, the most basic Alter session--modifying sessions Create CLUSTER--Create a cluster Create DATABASE

Freelists and Freelist GROUPS. SCOPE & Application

Application Purpose ======= The purpose of this article are to provide a understanding of freelists and freelist. SCOPE & Application =================== This article was intended to being used by DBAs to help understand the how freelists and

Oracle DBA Optimization Database performance Experience

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A lot of the time, do Oracle DBA us, when the application administrator to inform us that the application is now slow, the database is very slow, when we go to the database to do a few examples of select also found the same problem, sometimes we can

Oracle DG Physical Standby environment setup

Oracle Data Guard, logical standby and physical standby. Here are the steps to build a physical standby environment. First, enable Force Logging Set the primary database to force logging mode. Use the following statement: View Status: Sql>

Several methods of JDBC even Sybase database

Data | database 1. Test the Sybase jconnect-5_2 JDBC Database interface with one JSP file: FFFF00 border=1> JSP test Sybase jconnect-5_2 JDBC Database interface jsp test Sybase Jconnect-5_2 JDBC Database interface " +rs.getstring ("emp_lname") + "")

Oracle Expert Tuning Secrets (i)

Oracle Objective Over the past decade, Oracle has become one of the most professional databases in the world. For IT professionals, it is important to ensure that Oracle's powerful features are used to improve the productivity of their companies.

Oracle Expert Tuning Secrets

Objective Over the past decade, Oracle has become one of the most professional databases in the world. For IT professionals, it is important to ensure that Oracle's powerful features are used to improve the productivity of their companies. One of

Whether MySQL is worth our choice of pros and cons five reasons

Open source database MySQL has developed to today has a very broad user base, some say it has a strong challenge to the traditional business database, and some say it has yet to prove itself in the corporate environment, and this article lists the

MySQL DBA system learning (data files for MySQL)

Data files for MySQL First, the system parameter DataDir In MySQL, each database will have a folder named after the database in the defined (or default) data directory, which is used to store various table data files in the database DataDir

How to install Oracle 10G on FEDORA2

Install FEDORA2 2. Download oralce10g (www. Oracle. com), general installation simply download ship.db.cpio.gz 3. untie [Oracle @oar10g oracle]$ cd/tmp [Oracle @oar10g oracle]$ GZIP-CD ship.db.cpio.gz | Cpio–idmv 4. Modify the Linux system

Install Oracle 817 experience on Redhat 9

oracle| to install Oracle 8i on Linux (Note: Refer to http://vip.6to23.com/hanson/htdocs/oracle.htm and make corrections during installation) There's been a lot of discussion about Oracle installation, but in practice you always have some trouble,

How to speed up queries in the Informix database

Q: Why is it slow to operate on a table with 30,000 records and indexed tables? A: 30,000 records are not too much, you feel a bit slow may be the reason for too many records, because each record is too long, or your machine performance is very low,

Use Oracle's built-in security features for PHP

Most WEB applications today need to adopt at least some basic security policy. For example, a Web site that provides password-protected content, only Web sites with admin backend, blogs and personal magazines, E-commerce sites, intranet, and so on.

Database performance Check Guidance program-part II

Data | database | performance Storage performance Assessment When storing performance evaluations, we use the Disk Performance index (DPI, disk Performance Index), and the following table lists the indices in the DPI, which do not imply a full

Segment using maps to build HTML for Oracle databases

In Oracle databases, it is often difficult for management tablespaces to visualize data from SQL queries. One way to achieve tablespaces visualization and easier management is to create a segmented use mapping (block usage maps) similar to the

Oracle Database 10g: Flash back version query

Oracle No setting required to immediately recognize all changes to a row In the Oracle9i Database, we saw that it introduced a "time Machine" in the form of a flashback query. This feature allows the DBA to see the column value at a specific time,

ORA-01578 and ORA-01110 How to solve the bad block

A case, view trace file found the following error message D:\oracle\product\10.2.0\admin\dbserver\udump\orcl_ora_5888.trc Corrupt block relative dba:0x09848269 (file 295529) Bad header found during buffer read Data in bad block: Type:1 Format:5

Analyze lock wait cases in DB2 for Linux,unix,and windows

DB2PD Options for lock monitoring DB2PD is a utility for monitoring various DB2 database activities and troubleshooting. It is a stand-alone utility that starts with the DB2 engine, starting with the DB2 V8.2, and looks and functions like the

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