A Study on the Development of Data Warehouse System and ETL Oriented to Educational Evaluation
Zheng Xiao-wei · Microcomputer applications · 2007
Based on elaborating foundation the concept,principle,structure of data warehouse,describes the need analysis,the concept model design,the logic model design of data warehouse system oriented to educational evaluation,studing is focused on the designing dada packet for transforming used by Microsoft data transformation tool-DTS to complete the process of extracting,transforming,cleaning,loading for data from the business database to the data warehouse.