W3Schools

home HOME

Schema Tutorial
XSD HOME
XSD Intro
XSD Why Use
XSD How To
XSD <schema>

Simple Types
XSD Elements
XSD Attributes
XSD Restrictions

Complex Types
XSD Elements
XSD Empty
XSD Elements Only
XSD Text Only
XSD Mixed
XSD Indicators
XSD <any>
XSD <anyAttribute>
XSD Substitution
XSD Example

Data Types
XSD String
XSD Date
XSD Numeric
XSD Misc

XSD Summary

References
XSD Reference
XSD Validator

Selected Reading
Web Statistics
Web Glossary
Web Hosting
Web Quality

W3Schools Forum

Helping W3Schools

XML Schema selector Element


XML Schema Reference Complete XML Schema Reference

Definition and Usage

The selector element specifies an XPath expression that selects a set of elements for an identity constraint (unique, key, and keyref elements).

Element Information

  • Parent elements: key, keyref, unique

Syntax

<selector
id=ID
xpath=a subset of XPath expression
any attributes
>
(annotation?)
</selector>

(The ? sign declares that the element can occur zero or one time inside the selector element)

Attribute Description
id Optional. Specifies a unique ID for the element
xpath Required. Specifies an XPath expression, relative to the element being declared, that identifies the child elements to which the identity constraint applies
any attributes Optional. Specifies any other attributes with non-schema namespace


XML Schema Reference Complete XML Schema Reference


Want To Be A Web Master?

If you want to be a Web Master, you will have to host your web site with an ISP (Internet Service Provider).

MaximumASP offers seven different configurations of dedicated servers to meet your Windows and .NET hosting needs. Hosted on our multi-tiered Enterprise Class network, these servers provide the performance, security and reliability you need to host your high end web sites and applications.

Visit MaximumASP




Jump to: Top of Page or HOME or Printer Friendly Printer friendly page

W3Schools provides material for training only. We do not warrant the correctness of its contents. The risk from using it lies entirely with the user. While using this site, you agree to have read and accepted our terms of use and privacy policy.

Copyright 1999-2008 by Refsnes Data. All Rights Reserved.

Validate Validate W3C-WAI level A conformance icon W3Schools was converted to XHTML in December 1999
SITE SEARCH
 
About W3Schools
W3Schools Forum
Shopping Cart
ASP.NET
Shopping Cart
WEB HOSTING
$15 Domain Name
Registration
Save $20 / year!
UK Domain Names
UK Web Hosting

Alojamiento Web
Buy UK Domain Names
Register Domain Names
Cheap Domain Names
Cheap Web Hosting
Best Web Hosting
Domain Name Registration
PHP MySQL Hosting
Top 10 Web Hosting
Web Hosting Providers
Web Hosting Company
UK Reseller Hosting
Web Hosting
WEB BUILDING
Website Templates
Flash Templates
Website Builder
Internet Business Opportunity
Custom Programming
FREE Trial or Demo
Web Content Manager
Forms,Web Alerts,RSS
Ecommerce Software
XMLSpy XML Editor
Azbuz Blog
SHOPPING
UK Wholesalers
UK Wholesale
UAE Dubai Property
Private Student Loans
UK Dropshippers & Wholesalers Directory
EDUCATION
US Web Design Schools
HTML Exam
YELLOW PAGES
www.nettkatalogen.no
www.gulex.dk
www.gulex.se
www.gelbex.de
www.teloos.fi
www.teloos.fr
www.teloos.co.uk
www.teloos.at
www.teloos.de