Data Warehousing Concepts - Oracle Help Center
Data Warehousing Concepts.,The OLTP database is always up to date, and reflects the current state of each business transaction. Schema design,Figure 1-4 Architecture of a Data Warehouse with a Staging Area and Data Marts Text description of the illustration dwhsg064.gif.What is the difference between data mining and data,,The main difference between data warehousing and data mining is that data warehousing is the process of compiling and organizing data into one common database, whereas data mining is the process of extracting meaningful data from that database. Data mining can only be done once data warehousing is complete.Data Warehousing & Data Mining - Professor: Sam Sultan,This course will cover the concepts and methodologies of both data warehousing and data mining. Data warehousing topics include: modeling data warehouses, concepts of data marts, the star schema and other data models, Fact and Dimension tables, data cubes and multi-dimensional data, data extraction, data transformation, data loads, and metadata.