dba

server| Recovery | data | database No database system can avoid a crash situation, even if you use a clustered, two-machine hot standby ... It is still not possible to completely eradicate the single point of failure in the system, and for most

With the popularization of computers and the development of the network, the database is no longer just the topic that the programmer is proprietary. and Oracle database is by virtue of its outstanding performance, easy to operate and flexible

Mysqldump BACKUP Database -B,--databases Dump several databases. Note the difference in usage; In This case no tables are given. All name arguments are Regarded as database names. ' Use db_name; ' would be Included in the output.

Concise installation and operation instructions for Oracle Oracle 8.05 Oralce Support Linux gave us a free to lift her a good opportunity, but there are many netizens are not the professionals (just like me), I have some of my operating procedures

oracle| Security | data (ii) Another hidden danger from the inside--user management and password issues Here, in fact, as a similar point of the database administrator is very clear, the Oracle database itself has used a number of ways to enhance

In the process of using a database, you often experience the problem of database migration or data migration, or if there is a sudden database corruption, you need to recover directly from the backup of the database. However, there are problems, and

In a Microsoft SQL Server 2008 system, the database administrator (DB administration, referred to as DBA) is the most important role. The goal of the DBA is to ensure that the Microsoft SQL Server 2008 System runs normally and efficiently. The work

Quick Start A summary of Toad function During the development of Oracle applications, accessing database objects and writing SQL programs is tedious and time-consuming, and the day-to-day management of the database requires a lot of SQL scripts to

1. What is IMU? What is the main role of IMU, that is, to solve the problem? IMU--->in Memory undo,10g new features, the database will open up separate memory areas in shared pool to store the Undo information. Each new transaction is assigned a

Core|oracle Morning spent a little time to complete the first Linux platform installation (:P, a bit embarrassing to say, only the first time), mainly refer to the Http://www.oracle.com/technology/global/cn/pub/articles/smiley_ Installation

Many technicians can easily discuss the details of DB2 technology and confidently talk about query parallelism, data compression, WebSphere MQ integration, large object management, JDBC and ado.net drivers, data sharing on mainframe Parallel Sysplex,

Database version 11.2.0.4 The experiment idea is:--The trace information of the database open, can refer to: http://blog.csdn.net/q947817003/article/details/17025489 File#1 block#1==>root dba==>struct Ktetb That is, start with the system's data

Three              Where the freelists is stored freelists stored in the header block of each segment, we can get a clearer idea by dump. Dump usually plays an important role in the study of Oracle's internal mechanisms. Let's say we create a

Oracle's article, published on Oracle's Web site, is a guide for installing oracle9i database. Author: Abhijeet Kulkarni Database version: Oracle9i R2 (9.2.0.1.0) 1. Create users and Groups: ------------------------- Switch to the Root user and

Duty 1. Install and upgrade the database server, as well as the application tools to build and configure the network environment. 2. Familiar with the storage structure of the database system to predict future storage requirements, and develop a

Oracle First week: Flash back query Get a movie instead of a picture: Flash back version query 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

Oracle Purpose: Install Oracle 9i on Linux 8.0 to ensure database security and stability Software Environment: Linux 8.0 (three CDs) Oracle 9.2.0.1.0 for Linux (three CDs) Hardware environment: P4 2.4, Memory 512M, hard disk 80G high RPM, 16x_dvd

Oracle claims to install the Oracle9i database under Linux at least 512MB of memory and at least 1GB or twice times the memory size of the swap space, for the system memory is greater than 2GB of servers, swap space can be between 2gb-4gb. If you

MySQL is a relational database management system, developed by the MySQL AB Company in Sweden and currently belongs to Oracle Company. MySQL is a relational database management system in which the associated database keeps data in different tables

The automatic import and export of Oracle database has been widely used in many places. For example, once an Oracle database application system is developed, it is necessary to import the initial data into the user's Oracle database if the system is