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What is Data Warehouse Schema and OLAP Operations about?

The document discusses a data warehouse with dimensions of time, doctor, and patient and measures of count and charge. It asks to (a) list popular data warehouse schemas, (b) draw a schema diagram using one, (c) describe OLAP operations to list total fees by doctor in 2004, and (d) write an SQL query to obtain the same results assuming the data is stored relationally.

Author

José Germán

Language

EN