Frequently Asked Questions

The following Frequently Asked Questions, answered by the authors of this book, are designed to both measure your understanding of the concepts presented in this chapter and to assist you with real-life implementation of these concepts. To have your questions about this chapter answered by the author, browse to and click on the "Ask the Author" form.

Q: How can I track more than two document fields with the same data type?

A: The InterchangeDTA database contains only two fields for each data type in the dta_outdoc_details table, so the messaging manager wizards will not allow you to track more than two such fields for each type. In order to track more than two fields with any of the real, integer, date, or string data types, you need to track them as custom data.The custom data is saved with the other fields in dta_outdoc_details, but exists in the form of structured XML that contains the field names, data types, and field values. This custom data can be examined from the Document Tracking Web application.

Q: What is the differenc Document Tracking e between a document and an interchange in the application?

A: In theory, an interchange can consist of multiple documents. In practice, BizTalk Server 2000 can create only interchanges containing a single document (although it can receive documents from other BizTalk sources). Therefore, when you expand an interchange node in the tracking application, you will most likely see only one document. An interchange's record contains routing information, such as source and destination organization identifiers. A document's record contains document-specific data, such as data validity and tracked fields.

Q: How can I request a receipt for my XML document?

A: Use reliable messaging. Reliable messaging is independent of the XML document format itself, relying instead on an envelope that uses the reliable format. This envelope wraps your document instance and communicates with the destination system your requirements for a receipt and where to deliver that receipt.

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