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XML to RDB a Direct Hit With Mapping Tool


By David Rubinstein
September 1, 2001 — 
There's a hit out on relational databases.

Hit Software Inc. this week has added a graphical mapping utility to its Allora XML-to-SQL translation server. The new utility provides an easier way for developers to define the relationships between XML tags and database columns, according to the company.

Prior to adding the mapping tool, Allora brought data out from the back-end data store according to a fixed schema, and developers had to use an XSL editor to manually transform the data to the desired format, according to Martin Smith, Hit's vice president of sales and marketing.

Allora 2.0 now allows the mapping to be saved as an XML document that is provided as a parameter to its runtime engine when the middleware is called, Smith said. Data binding classes wrap access to the relational database, allowing Java or Windows code to be generated to access the data as XML. Tagging of the data is left to the application, so the data is provided as per the DTD or schema the application requires, Smith explained.

Allora, which the company says conforms to the SQL, XML DOM and SAX standards, sells for $2,995 per single developer workstation license and is available as jAllora for Java and winAllora for Windows. It runs on Windows and Java servers using JDK 1.2 and above.

"We wanted to provide XML developers access to relational databases as if they were XML documents," Smith said. "This keeps them in the same XML paradigm without having to change the back-end server environment."

Hit Software (www.hitsw.com), in business since 1994, began developing SQL middleware for IBM's DB2 and moved into XML three years ago, Smith said.


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