1. XML Example
<?xml version="1.0"?> <Book edition=”1”> <Title>Database systems</Title> <Author>Hector Garcia-Molina</Author> <ISBN> </ISBN> <Price>$100</Price> </Book>

2. XML Namespace
<?xml version="1.0"?> <Book edition=”1” xmlns=“ <Title>Database systems</Title> <Author>Hector Garcia-Molina</Author> <ISBN> </ISBN> <Price>$100</Price> </Book>

3. Multiple Namespaces <?xml version="1.0"?>
<Book edition=”1”>
<Title>Database systems</Title>
<Author>Hector Garcia-Molina</Author>
<ISBN> </ISBN>
<Price>$100</Price>
</Book>
Book, Title, Author, ISBN:
Price:

4. Multiple Namespaces <?xml version="1.0"?>
<Book edition=”1” xmlns=“
<Title>Database systems</Title>
<Author>Hector Garcia-Molina</Author>
<ISBN> </ISBN>
<Price>$100</Price>
</Book>
Book, Title, Author, ISBN:
Price:

5. Multiple Namespaces <?xml version="1.0"?>
<Book edition=”1” xmlns=“
xmlns:s=“
<Title>Database systems</Title>
<Author>Hector Garcia-Molina</Author>
<ISBN> </ISBN>
<s:Price>$100</s:Price>
</Book>
Book, Title, Author, ISBN:
Price:

6. Namespace Prefix Q: Do E1 and E2 belong to the same namespace?
<a:E1 xmlns:a=“
<b:E2 xmlns:b=“