oracle database architecture pdf

service time and user wait time: Database User response time = system service time + User wait time Therefore, there are two ways to get a satisfactory response time: one is to reduce the system service time, that is, to increase the database throughput; the other is to reduce the user wait time, this reduces the conflict rate of user access to the same database

Oracle 10 Gb manual database creation using command line Reprinted: http://tech.ccidnet.com/art/1105/20080807/1536965_1.html There are two methods to create a database in Oracle. The first is to use ORACLE database builder and

command to directly delete files 5. Clear other Files Although the data files, archive logs, online logs, temp files, parameter files are stored on the ASM disk, but the dump file, the alarm log is still located on the disk, need to manually clear the Echo $ORACLE _sid--Confirm the current Oracle_sid $ rm-rf $OR acle_base/admin/$ORACLE _sid--Delete all contents of $oracle_sid in

This is my colleague to the company to do internal training ppt of the handout, for everyone to share. This is the training outline, PPT in Find place to upload, and so found will send the link here. Put it on the csdn for the time being, earn points download points: download.csdn.net/download/kingstarer/10655069 Cut a few ppt page you can preview it first Hello, everyone, welcome to participate in today's technology exchange, and today we are going to share with you is the

user and start the installation as follows:./runinstallerA.) It is best practice does not have a form of "Su" to start the Runinstaller, in order to avoid potential display-related Problems.B.) When performing the Oracle Database 12.1 installation, make sure to use the ' Runinstaller ' version that comes with Ora CLE Database 12.1 software.C.) When performing an

database instance name. The instance name is also written to the parameter file. The parameter is instance_name. On the winnt platform, the Instance name is also written to the Registry. The Database Name and Instance name can be the same or different. In general, the database name and Instance name are one-to-one, but in the

table Logical backup and recovery of databases (tables)-Database Import * ** 1. Import a table (M123 is the password of Scott, myoral is the database instance, the table to be imported is emp, and its backup is emp. dmp) ***2. Import Solution * ** 3. Import the database Oracle

Original works, allow reprint, reprint, please be sure to hyperlink form to indicate the original source of the article, author information and this statement. Otherwise, legal liability will be held. http://linuxtro.blog.51cto.com/1239505/289197 -------statement: This article refers to the Oracle official documents and the vast amount of information on the Internet, and summed up. If there is any mistake, please do not hesitate to enlighten me.

Abstract This article mainly analyzes the ORACLE system structure and working mechanism from four different levels of Adjustment Analysis in the ORACLE environment of a large database, the optimization and adjustment schemes for ORACLE databases are summarized in nine different aspects.Key words:

stored in an Oracle database have only one encoding format, which is the corresponding encoding format for the character set of the database. The 6.Oracle database has a number of coded tables that convert other coded formats to the format specified in the

There are two methods to create a database in Oracle. The first is to use ORACLE database builder and dbca, which is a graphical interface and easy to understand because of its friendly and beautiful interface and complete prompts. In Windows, this tool can be opened in the Oracle