Mathias Kühn

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One of the key challenges facing Java developers is that their object-oriented applications use data stored in relational databases. The result: time- and cost-intensive mapping between the two paradigms. InterSystems' Corporation develops and markets a post-relational database management system called Caché that's designed to address this challenge by eliminating the impedance mismatch between objects and tables. We set out to test the capabilities of this database software from a Java developer's perspective. Working with the latest release of the software, Caché 5, we found the results impressive. Caché’s unique combination of objects and SQL provides a very interesting development framework for object-oriented programmers that goes far beyond what pure relational or pure object-oriented databases provide. Besides eliminating the impedance mismatch between object... (more)