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Bkjia.com exclusive Article] Oracle 10 GB Data guard is a powerful tool to ensure high availability of enterprise data, data protection and disaster recovery, I have been using the grid console and SQL commands to work on the data guard/backup database for several years. My recent experience is LIMS, a laboratory information management system, half a year ago) using data guard to manually create a physical backup database, I need to maintain it every

Use Java to write Oracle stored procedures Bromon originality, please respect copyright We usually use PS/SQL to write stored procedures for Oracle. From Oracle 8, we can have another option: Java. Starting from 8.0, Oracle had a

serialization mechanism to represent binary data as a mime/multipart related package. if you are interested in the importance of MTOM interoperability you might want to read my previous paper or this post by John evdemon. Sun wsit and MTOM wsit is part of Project Metro which is the Web Services Stack from Sun Microsystems. specifically, wsit is the component of Project Metro that implements some of the most important WS-* protocols emphasizing in interoperability with Microsoft WCF. needles

An Oracle Database snapshot is a table that contains query results for one or more tables or views on a local or remote database. The following describes how to use a snapshot to accelerate the query speed in the 170 call reminder system of Xiangfan Telecom Bureau: An Oracle Database snapshot is a table that contains query results for one or more tables or

Tags: extension and min query statement change constants AST order ownFor rownum It is the number of the Oracle system order assigned to the rows returned from the query, the first row returned is assigned 1, the second row is 2, and so on, this pseudo field can be used to limit the total number of rows returned by the query, and rownum cannot be prefixed with any table name. (1) rownum for query conditions equal to a valueIf you want to find informat

Take oracle users as an Example 1. log on to the system with an oracle user2. Create the Backup Directory mkdir backup3. write the script/Oracle/backup. sh:Export $ ORACLE_HOME =/Oracle/APP/product/9.2.0;Export $ oracle_sid = orcl;Export $ Path = $ ORACLE_HOME/bin: $ path;Exp test/test file =/

Oracle provides a number of methods for the use, monitoring, and maintenance of data spaces. At the same time, features in various versions are gradually enhanced to simplify the complexity of this aspect, improve application running efficiency. 1. Related Concepts The database space is logically divided into multiple tablespaces. Each tablespace is composed of one or more physical data files in the system.

Many beginners may wonder what the Oracle Cluster Index is and how to use the Oracle cluster index after getting started with Oracle databases, what is the relationship between Oracle hash clustering and Oracle clustering index. T

Php has built-in almost all database processing functions, including Oracle. In this article, we use an instance to introduce how to use these functions to operate Oracle databases.PHP provides two types of APIS (application interfaces) to operate Oracle databases. One is th

Oracle databases on disk devices, but because it does not provide data backup, therefore, high availability is completely unavailable. Unlike manual data documentation segmentation (you need to manually split Oracle table space into small data documents, oracle uses RAID 0 to automatically segment A data block and store it in any disk device at a time. In this w

converted to one of the copied Disks without service interruption. Oracle experts will use RAID 1 when high availability is required. For a triple image, the mean time to failure (MTTF) of the Oracle database can be up to decades.　RAID 0 + 1 (RAID 10)RAID 0 + 1 is a combination of data block segments and disk images. When RAID 0 + 1 appeared, the segmentation te

In php3.0 above, PHP has nearly all of the current database processing functions, including Oracle; In this article we have an example of how to use these functions to manipulate Oracle databases. PHP provides 2 classes of APIs (application interfaces) to operate Oracle databases. One is the standard

If your ORACLE version is 32-bit, you can use less than GB of memory without some configuration. A software system in the company two days ago needs to be configured in such an environment. For ORACLE's so-called masters like me, I am a little overwhelmed and even have to deal with it with my head,This is the first job to be received by a new company. It must be done. Otherwise, the