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Versant Object Database (VOD) is an object database software product developed by Versant Corporation. The Versant Object Database enables developers using object oriented languages to transactionally store their information by allowing the respective language to act as the Data Definition Language (DDL) for the database. In other words, the memory model is the database schema model.〔("TechView Product Report: Versant Object Database" ), ''odbms.org''. Retrieved 6 October 2010.〕 In general, persistence in VOD in implemented by declaring a list of classes, then providing a transaction demarcation application programming interface to use cases. Respective language integrations adhere to the constructs of that language, including syntactic and directive sugars. Additional APIs exist, beyond simple transaction demarcation, providing for the more advanced capabilities necessary to address practical issues found when dealing with performance optimization and scalability for systems with large amounts of data, many concurrent users, network latency, disk bottlenecks, etc. == Feature highlights == *Transparent object persistence from C++, Java and .NET *Support for standards, e.g., JDO *Seamless database distribution *Enterprise-class high availability *Dynamic schema evolution *Low administration *Multithreading, multisession *End-to-end object architecture *Fine-grained concurrency control 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Versant Object Database」の詳細全文を読む スポンサード リンク
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