Web Data Management
Attribute standalone="no" should be included in XML declaration if a document:

has an external DTD
is linked to an external XSL stylesheet
has processing instructions
has external general references

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Web Data Management
There is a way of describing XML data, how?

XML uses a DTD to describe the data & XML uses a description node to describe data
XML uses a DTD to describe the data
XML uses XSL to describe data
XML uses a description node to describe data

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