Subsequently, data acquisition system, center database system, analysis application system, data access system and DW environments in YXDW are planned under the guidance of system engineering. 3. Data acquisition is the key step for MDW.

• 并以系统工程思想为指导,对玉溪矿业公司数据仓库的数据采集系统、中心数据库系统、应用分析系统、数据访问层、数据仓库环境层进行了规划设计。