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Data Warehouses and Multi-Dimensional Data Analysis

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Typical Rails applications have database schemas that are designed for on-line transaction processing. But when the data volumes grow then they are not well suited for effective data analysis. You probably need a data warehouse and specialized data analysis tools for that. This presentation will cover * an introduction to a data warehouse and multi-dimensional schema design, * comparison of traditional and analytical databases, * extraction, transformation and load (ETL) of data, * On-Line Analytical Processing (OLAP) tools, Mondrian OLAP engine in particular and how to use it from Ruby.

RailsConf 2015

This year’s event is hosted in Phoenix, known for its year-round sun and warm temperatures. As the biggest metropolis in the American Southwest, Phoenix mixes exciting big-city attractions and…