Some reports lend themselves very well to this type of processing - for example simple grouped list reports such as target reports for drill-through.
一些报表非常适合于这种处理—例如简单的分组列表报表，比如进行穿透钻取(Drill - through)的目标报表。
Summary tables are required in a data warehouse for fast query processing and to allow users to drill up and down into the facts.
在数据仓库中需要汇总表，来实现快速查询，并允许用户在事实表中钻入钻出。
Thes detecting structure instrument of the roof rock is integrated in the pneumatic bolt drill and data processing is adopted BP algorithm of mature net to identify the structure.
其中，顶板岩层结构探测仪是集成在风动锚杆钻机上，数据处理采用训练成熟的BP算法神经网络进行结构的识别；
应用推荐