Database development-reference integrity-use the delete on Cascade option in the external key

We need to pay attention to the integrity of references when designing databases. During my career as a DBA, I saw many designs taking an extreme path. Before entering the detailed description of the delete cascade option, let's take a look at

[XHTML tutorial] Moving to the XHTML standard (5) (xhtml dtd)

Address: http://www.w3schools.com/xhtml/xhtml_syntax.aspTranslation: Fan weixiao The XHTML standard defines three document type definitions.The most common is the XHTML transitional.The XHTML standard defines three types of documents, the most

Fun SSRs Article 8-Advanced Report subscription

The previous article describes how to subscribe to reports in the form of shared directories in SSRS. Because SSRs has some special features in mail subscription, this article describes how to implement Report email subscription in a flexible way.

SharePoint diagnostic Studio

Published on Saturday, April 23, 2011) Author: Bill Baer, senior technical product manager, Microsoft Corporation-SharePoint One of the most challenging aspects of maintaining SharePoint deployment is to understand why certain events occur in

Bi notes-solutions for SSAs database Process

  This article describes several solutions of the SSAS database, and briefly introduces the application scenarios of various solutions.   Environment conventions: SQL Server 2008 Example Library: Adventure works DW   Method 1: process

SQL convert usage

Convert function [data type conversion] -------------------------------------------------------------------------------- FunctionReturns the expression converted to the provided data type. SyntaxConvert (data type, expression [, format-style])

Google was revealed to have five hundred domain names, partially exposing future businesses

Author: He Wenhua Source: Beijing Entertainment News Yesterday, the domain names owned by Google, the search engine giant, were exposed by external electricity. The world-famous website with search as its main business exists with more than 500

21 principles of data warehouse design

21 principles of data warehouse design-7 steps, 7 taboos and 7 ideas Seven steps for efficient data warehouse implementation The data warehouse has some kinship with our common RDBMS systems, but it is different. If you have not implemented a

Comparison between kettle and several other ETL tools (including Informatica)

Cost:Software costs include software products, pre-sales training, after-sales consulting, and technical support.Open-source products are free of charge and the cost is mainly training and consulting, so the cost will remain at a low

Dnn reading excerpt 5-Starter Kit Template

Professional dotnetnuke module programming page4 This excerpt is about the starterkit template in dotnetnuke. We will introduce the following modules after installing startkit. The books are in English and we will translate them here, and some of

Introduction to some popular open-source Flash video players

Videobox Videobox is a 6 K script used to display videos on the page. Videobox uses swfobject to embed flash. Videos can come from YouTube, metacafe, Google Video, ifilm, and self-configured flash. Videobox Lightbox mootools Flowplayer

Codekit-full-featured Web Front-end artifacts (recommended tools): front-end development tool-F5

ArticleDirectory Refer: Codekit-incident57 is another gorgeous tool, which is currently beta. The features are listed on the official website: Automatically compile less, sass, stylus, coffeescript, Jade & haml and other

Use rails and blueprint for fast development (Part 1)

ArticleDirectory Reset. Typographical. It is basically used for block elements. Design the program. Widgets are mostly used in inline elements to refine details. Grid, something really used for Layout A lot of hack, mainly for

What is the marriage between strutscx and XSLT?

Outline: ============== I. a brief review of struts Ii. Limitations of struts and JSP Iii. Advantages of XSLT Iv. strutscx: struts with XSLT V. strutscxservlet conversion Principle 6. Construct XML output documents VII. Conclusion

How to import data exp into SQL Loader

Homepage → exp/IMP →> How to import data exp into SQL Loader Excerpt: Unknown Exporting table data to SQL * loader files Exporting table data to SQL * loader files The following describes how

Microsoft®Introduction to. Net micro Framework Platform

First beta developer kit now availableDevelopers can now take advantage of. net micro framework with Microsoft's release of a broad beta developer kit. microsoft has used the platform with several projects internally. with this kit, outside

Event binding functions in jquery. BIND (),. Live (), on (), and. Delegate ()

      DOM tree First, it is helpful to visualize the DOM tree of an hmtl document. A simple HTML page looks like this: Event bubbling (also known as event Propagation) When we click a link, it triggers the Click Event of the link

In-depth understanding of geographical coordinate system and earth Coordinate System of ArcGIS

In-depth understanding of geographical coordinate system and earth Coordinate System of ArcGISDefault category) Geographic coordinates: spherical coordinates. The reference plane is an elliptical sphere.

Add BCD menu to SharePoint

  Preface: In Sharepoint, a common operation is to add ourCustom BCD menuNext, we will briefly introduce how to add a custom BCD menu. IntroductionTwo familiar methods,XMLMethod, the other is through Js.   Environment:SharePoint 2010 ServerIn theory,

External blob Storage Architecture

Before introducing an external Binary Large Object (BLOB) storage provider (EBS provider, blob storage semantics transfers binary data streams associated with SharePoint files to the Microsoft SQL server content database shared with site structured

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