April 2006
Intermediate to advanced
456 pages
15h 32m
English
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What is XML schema?
XML data is structured. We can define what a complete purchase order looks like and then compare the documents we receive to that document. This is known as validation. One way to specify a document's structure is with the XML Schema Definition (XSD) language. XSD is an XML vocabulary used to articulate rules for business data. Example 14-1 shows the XML schema used in a web service that retrieves an address.
Example 14-1. An XML schema
<xsd:schema targetNamespace="http://sap.com/demo/WS/GetAddress/prepared" xmlns="http://sap.com/demo/WS/GetAddress/prepared" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <xsd:element name="Request_Message" type="Request"/> <xsd:element name="Response_Message" type="Response"/> <xsd:complexType name="Request"> <xsd:sequence> <xsd:element name="Employee_Id" type="xsd:string"/> <xsd:element name="Address_Type" type="xsd:string"/> <xsd:element name="Date" type="xsd:string"/> </xsd:sequence> </xsd:complexType> <xsd:complexType name="Response"> <xsd:sequence> <xsd:element name="First_Name" type="xsd:string"/> <xsd:element name="Last_Name" type="xsd:string"/> <xsd:element name="Care_of_Name" type="xsd:string"/> <xsd:element name="Street_Name" type="xsd:string"/> <xsd:element name="House_Number" type="xsd:string"/> <xsd:element name="Name_of_City" type="xsd:string"/> <xsd:element name="Zipcode" type="xsd:string"/> <xsd:element name="County" type="xsd:string"/> <xsd:element name="Country" type="xsd:string"/> <xsd:element name="Email_Address" ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.