Whether you are developing a DBA or maintaining a DBA, you are always more or less encountering SQL execution efficiencies or SQL tuning issues, and it is necessary to view the execution plan. Generally we can view in 3 ways:
First, explain plan
Inaccurate analysis and avoidance methods
1 Case visits
Hardware environment: IBM xseries 3650
Operating system: WINDOWS2003 Standard Version +SP02
Database version: Oracle9.2.0.1
Pl/sql Developer Version: 7.0.2.1076
As a result of business
Basic requirements
1.1 Program Structure analysis, easy to understand, a single function of the number of programs can not exceed 100 lines.
1.2 What to do, to be simple, straightforward when the code is streamlined to avoid garbage programs.
1.3
Struts2 's Josn plugin Josn-plugin is convenient for us to develop the EXTJS program, but every time he returns the data format is returned as an object, the object can contain other formats of data, such as arrays.
This is the general return
OPENKM Introduction
OPENKM is a document management system for organizing and sharing documents. You can search for documents by name, content, keywords, and so on. Technology development based on Jboss+j2ee+ajax Web (GWT) +jackrabbit (Lucene).
Objective
SOA message backbone, which is the best portrayal of the WebSphere MQ V7.0. It can cross the Java EE, microsoft.net and other environment, support up to 35 kinds of platforms; it supports new technologies and standards such as JMS, Web2.0,
Read a lot on the internet about how to turn on the UPnP feature, and found that no article has been able to introduce the entire UPnP setup process, it is only part of the story. So decided to write an article, at least the overall idea of setting
SharePoint Designer (SPD) is a powerful tool to help create solutions quickly. By connecting to a site, users are free to make changes to the site. Includes skins, workflows, and connections to external sources.
The problem with this feature is
Using the DataCombo and DataList controls
DataCombo and DataList controls are very similar to standard list boxes and combo box controls, but there are some important differences that make these two controls extremely adaptable and useful in
Rebuilding a database for version 10
This section describes how to unload the database and load it into a new version 10 database. To upgrade your Windows CE database, refer to the documentation.
Attention:
Unloading and loading large databases
According to Goldman Sachs & Co., an investment agency. A recent survey of CIOs, cloud computing the list of priorities for what they are doing is the last. One analyst points out that cloud computing is behind the line because managed services need
Ajax-Spry Framework
With ADOBE®DREAMWEAVER®CS3, you can use the Ajax Spry framework for visual design, development, and deployment of dynamic user interfaces. Ajax's Spry framework is a web designer's JavaScript Library for building Web pages that
This column is based on the pre-release version of Silverlight 2. All the information in this article may be changed.
Developers who use Silverlight often give a sense of unreality, but can they be blamed? Getting data from a variety of Web
IBM Rational Functional Tester enables you to automate regression testing of applications in multiple areas, including Java, HTML,. NET, Microsoft Silverlight, Adobe Flex, and Dojo Toolkit. Version 8.2.1 adds support for testing Flex Spark
Simple writing, after reading this part of the code memcached and I feel that the ccache is still very similar.
1) Distribution
All memory in memcached is saved by the type slabclass_t structure
typedef struct {
Introduction
This article will guide you through the installation and configuration of the IBM operational Decision Management (ODM) V8 deployment environment. This article describes some of the basic concepts that you need to understand about the
This is the second in the depth of the Deep Exploration Rest column series that will take you through the origins of the rest architecture, the web, the nature and characteristics of the rest architecture, and the comparison of rest architectures
Build Your owndebian/ubuntu LAMP Server-quick & Easy Do it yourself installation
Apache 2-linux Web Server
MySQL 5-mysql Database Server
PHP4/5-PHP Scripting Language
phpmyadmin-web-based database admin software.Note:linux + Apache + MySQL
Introduction: This tutorial is the last part of a series of six sections, showing you how to use the Spring framework to Java™server Page (JSP), Velocity, Tile, and PDF export capabilities. You will experiment with V in Model-view-controller (MVC),
One, what is the framework?
The framework is to provide a unified set of interfaces and programmable reusable components, while we can expand our own specific logic within the framework.
Second, MVC design pattern
The application is divided into 3
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