Research and design of OLAP tools based on star schema;
基于星型模式的OLAP工具的研究和设计
In this algorithm, by taking the characteristics of star schema into consideration, the aggregation operation is combined with a novel multi-table join algorithm, MJoin, and the key words mapping.
该方法充分考虑到数据仓库星型模式的特点,将聚集操作和新的多表连接算法MJoin相结合,排序时采用关键字映射技术对排序关键字进行压缩,从而可以显著地提高排序速度。
Based on the Star Schema for a data warehouse, introducing a new algorithm M-Join for the multi-table join.
基于数据仓库的星型模式,给出了一种新的多表连接算法(M-Join),和传统关系数据库管理系统的多表连接查询处理相比,该算法充分考虑了数据仓库数据本身和多表连接的特点,采用对多个表进行一次性连接的方法,使得查询的性能有明显的改
In this paper, the evolution of a series of atom models that are founded by the ancient Greeks, Newton, Dalton, Thomson, Rutherford, Bohr, Schrodinger and others has been reviewed from the point of view of innovation.
从创新的角度考察古希腊、牛顿、道尔顿、汤姆逊、卢瑟福、玻尔和薛定谔等一系列原子模型的演 进。
Calculation of ionization state for LTE plasmas using various atomic models;
利用不同原子模型计算局部热力学平衡等离子体电离态(英文)
Firstly, how to build the atomic model of p quasicyclic group theory is discussed.
构造了p阶拟循环群理论的可数原子模型,并且筛选型中的公式得到原子模型上的完备公式。
The uses,status and tendency of the two essential atomic models were presented emphatically.
本文着重介绍了两种基本原子模型的用途、研究现状及其发展趋向。
Earlier wireless technologies assumed that sensors would send data to a specific receiver, in a hub-and-spoke fashion.
早期的无线技术假定传感器以星型模式将数据发送到一个特定的接收机上。
The human emulating this archetypal patterning may be a porno star.
这一原型模式者可能是一位色情明星。
Performance Evaluation of a Beacon-enabled IEEE 802.15.4 Network with a Star Topology;
信标模式下IEEE 802.15.4星型网络性能评估
Analysis of the Model of the Medium-and Small-sized Subordinate Enterprises Cluster;
我国卫星式中小企业集群共生的模型分析
Task allocation model and algorithm for DSS cooperation mechanism
分布式卫星系统协作任务分配模型及优化算法
Fault Mode Analysis and Fault Tolerant Methodology for SRAM-Based FPGA on Spacecraft
星用SRAM型FPGA的故障模式分析和容错方法研究
Optimization and smulation of the sructural prameters for small planetary-type fast grinding machine
小型行星式快速研磨机结构参数的优化与模拟
Extrinsic AGB Stars on Wind Accretion Binary Evolution Model
星风吸积双星演化模型下的外赋AGB星
type genus of the family Zygnemataceae.
双星藻科的一个模式属。
Study and Implementation of Shared I/O Driver Model on Satellite-carried Embedded Multiprocessor System;
星载嵌入式多处理器系统共享I/O驱动模型的研究与实现
CDGPS Relative Position Determination of Distributed SAR Satellite Formation Based on Dynamic Orbit Model
基于轨道动力学模型的分布式SAR卫星编队CDGPS相对定位
Block-Adjustment with SPOT-5 Imagery and Sparse GCPs Based on RFM
基于有理多项式模型RFM的稀少控制SPOT-5卫星影像区域网平差
To Constructe Industries Clusters Risk Model of Center-Satellite Fashion Based on AHP
基于层次分析法构建中心-卫星式产业集群风险模型
Research into the star hotel management mode for the gymnasiums and stadiums
体育场馆星级酒店式管理模式的研究
Simulating Genetic Data from Star Model to Tree Model;
将模拟基因信息的星形模型推广到树形模型
Planet Predicted by Liu Zihua and the Mode of Eight Great Planets of the Solar System;
刘子华的木王星和太阳系的八大行星模式
Small Satellite On-Board Computer Portable Real-Time "Simulation Flight" System Design
小卫星星载计算机便携式实时“模飞”系统设计
Such configurations, obtained theoretically by calculation, are called models of a star.
通过理论计算得到的恒星结构称为恒星模型。
