November 2000
Intermediate to advanced
1152 pages
23h 32m
English
Content preview from Inside XML
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Creating Choices
A choice lets you specify a number of elements, only one of which will be chosen. To create a choice in XML schemas, you use the <xsd:choice> element. Here's an example—in this case, I'll change the transactionType type so that the borrower can borrow either several books or just one book. I do this by creating the <xsd:choice> element that holds both a <books> element and a <book> element (note that in this case, the <book> element needs to be made into a global element so that I can refer to it in this choice, so I remove it from the declaration of the <books> element, as you see here:
<xsd:complexType name="transactionType"> <xsd:element name="Lender" type="address"/> <xsd:element name="Borrower" type="address"/> <xsd:element ...
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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.