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This document does not intend to provide a definitive description of or reference to XPath expression syntax. However, for those readers who have not used XPath expressions before, following is a brief overview and examples that might help you get started with the XML_QUERY activity. Refer to the following headings:
- Example XML
- Introduction to XML
- Quick Guide to XPath expressions for use with the XML_QUERY activity#Example XML
- Quick Guide to XPath expressions for use with the XML_QUERY activity#Introduction to XML Path Language (XPath)
- Quick Guide to XPath expressions for use with the XML_QUERY activity#XPath Examples for use with the XML_QUERY Activity
- Quick Guide to XPath expressions for use with the XML _QUERY activity#XML Namespaces and How They Affect XPath Expressions for the XML_QUERY Activity
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There is much more to know about XPath expressions. If you would like more information, you could start by referring to some of the links provided above.
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Note: Important note: XML node names are case sensitive. Your XPath expressions must specify the correct case when specifying element and attribute names. For example, the expression '//salesorder' is NOT the same as '//SalesOrder'. When used with the example XML document shown above, the former expression will FAIL to select ANY nodes, while the latter will select all <SalesOrder> elements, wherever they occur in the document. |
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