内存中数据库系统一个最值得注意的不同之处在于没有大数据块结构。
One of the most noticeable differences of an in-memory database system is the absence of large data block structures.
该解决方案通过建立统一的数据模型,使用元数据与多数据库系统实现了对分布的异构的空间数据的统一访问请求服务。
Based on the unified data modeling, this resolution realizes the uniform request service to distributed heterogeneous spatial data by metadata and multi-database system.
提出了一种多数据库系统的模式映射方法,并对水平映射、垂直映射、混合映射、相关映射和局部映射给出了一种统一的形式化描述。
A method of schema mapping in multidatabase systems was introduced and an uniform formalized definition for horizontal, vertical, mixed, correlative and local mappings was given.
因此,目前亟需一个统一且规范的蛋白质相互作用数据库系统来收集和管理这些数据,并从已有的数据中挖掘有用信息。
Therefore, a unified standard of protein-protein interaction databases is in urgent need for collecting, collating the existing data and mining for useful information from them.
因此,目前亟需一个统一且规范的蛋白质相互作用数据库系统来收集和管理这些数据,并从已有的数据中挖掘有用信息。
Therefore, a unified standard of protein-protein interaction databases is in urgent need for collecting, collating the existing data and mining for useful information from them.
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