A Simple XML Messaging Application
For example, consider the case in which a mainframe is used to manage employee personnel records. To simplify and expand the reach of this personnel system, the IT department is tasked to provide a Web-based interface into the mainframe system. Rather than build a tightly coupled solution using procedural technologies, using a basic messaging facility in conjunction with XML enables a much more powerful and yet simpler system to be rapidly built.
The following list includes the basic information that would be maintained for a single employee:
EMPLOYEE_ID FIRST_NAME LAST_NAME SSN START_DATE FLEX_DAYS_REMAINING HOME_PHONE HOME_STREET_ADDRESS HOME_CITY HOME_STATE HOME_ZIP
The Procedural Solution
Before XML, the ...
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