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What is Data Warehousing and Data Mining PPT 2 about?

The document provides an overview of Online Analytical Processing (OLAP) and its operations, detailing different types of OLAP servers including ROLAP, MOLAP, HOLAP, and specialized SQL servers. It also compares OLAP with Online Transaction Processing (OLTP) and discusses various data warehouse schemas such as star, snowflake, and fact constellation schemas. Key OLAP operations like roll-up, drill-down, slice, dice, and pivot are explained to illustrate how data can be manipulated for analysis.

Author

known.condor.eqdx

Language

EN