XML and Object-Oriented Languages
XML works hand-in-hand with object-oriented languages to provide what I have termed “portable information.” Often, an application written in an object-oriented language is developed to interact with XML. To illustrate, let’s revisit the example earlier in the chapter. Alpha Company, a department store, uses an Oracle database, and Beta Company, a vacuum machine manufacturer, uses a SQL Server database. Alpha Company wants to purchase some vacuum cleaners from Beta Company for its inventory. All transactions will be handled electronically over the Internet.
To make a long story short, the problem is that the data is stored in two totally different databases. Even if the databases were the same, the formats of ...
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