Temporal database systems extend traditional relational database systems. One important such extension is to support time-varying aggregation.
时态数据库扩展了传统的关系数据库,其中一个重要的扩展就是对于时态聚集查询的支持。
Temporal database systems extend traditional relational database systems. One important such extension is to support time-varying aggregation.
时态数据库扩展了传统的关系数据库,其中一个重要的扩展就是对于时态聚集查询的支持。
应用推荐