“data federation tool”的概念、定义、翻译、参考文献-科学参考

单词	data federation tool
释义	data federation tool Encyclopedia 理学数据库中间件释 data federation tool数据联邦工具通过包装器隐藏每个异构数据源自身特性，为异构数据源提供抽象的数据接口，可看作是一个虚拟的联邦数据库，或具有数据库管理系统（DBMS）功能的中间件软件，应用包装器访问异构数据源。
随便看	ritornello form RITS RITSC Ritsu-ryō system Ritt Ritt basis theorem Ritter Ritt-Wu method RITU ritual ritual architecture Ritual Formulation and Music Composition Ritual Manners ritual music Ju Shui Wu Yin in Hubei province ritual performance building at City God Temple of Yuci District ritual performance building at Five Sages Temple of Mayinghe Village, Youyu County rituals of Duixi opera Rituals of Fasting Ritual Song Ritual Theatres in China ritual theory Ritual Wine Vessel ritualwinevessel Rituximab Ritz

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