Database (Database) is based on the data structure to organize, store and manage data warehouse, it produces in fifty years ago, with the information Technology and market development, especially after the 1990s, data management is no longer just data storage and management, and into customers Need a variety of data management approach. There are many types of databases, from the simplest form of data storage are all to be able to carry out mass Large-scale data storage in all aspects of database systems are widely used.

CHAPTER3-数据仓库与OLAP技术.ppt
CHAPTER1-引言.ppt
CHAPTER2-Data.ppt
CHAPTER2-数据预处理.ppt

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