To follow this trend and solve the existing problem, drill-down cube is proposed in this.
为此提出了下钻立方结构,首次从语义角度考虑数据立方存储,存储的不是类的内容,而是类之间的直接下钻关系。
Copyright © 2022-2024 汉字大全www.hanzidaquan.com All Rights Reserved 浙ICP备20019715号