说明: A data warehouse is a database, which is kept separate from the organization's operational database. There is no frequent updating done in a data warehouse. It possesses consolidated historical data, which helps the organization to analyze its busin <xiaopenghust> 上传 | 大小:957kb
说明: Businesses are gathering data today at exponential rates and yet few people know how to access it meaningfully. If you’re a business or IT professional, this short hands-on guide teaches you how to pull and transform data with SQL in significant way <ramissue> 上传 | 大小:8mb