data granularity中文什么意思

例句与用法

1. concentrating on the data model, a three-level modeling method is developed and applied to the construction of customer information data warehouse . and the data granularity is also discussed
   对于数据仓库中的数据模型，探讨了一种三层的建模方式，并将其应用到客户信息数据仓库建设中；最
2. thirdly, we need to build up database to keep the data for data mining, and based on the analysis of economic data warehouse, data table and the problems of data granularity, data partition and the structure of data warehouse, we set the star structure of regional macro economic analysis, and we design the fact table and dimension table for data warehouse . so we design and construct economic data warehouse and fulfill economic data entry, transfer, store and management
   在这章中我们给出了一个关于pse的数据仓库属性的定义，即：数据仓库是一种来源于各种渠道的单一的、完整的、稳定的、集成的数据存储，这个储存的数据本质上是面向主题的、集成的、非易失的和可动态更新的，数据的逻辑形式是提供公式数据和组织数据。