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Data Warehouse: Food Environment Atlas Data Mart Team# 11 Members: Kathleen Chao, Ratsamy Maokhamphiou, Dennis Poon Introduction & Background • Data Source: Food Environment Atlas from data.gov • • Provides data about accessibility and availability of food in different counties Problem: Difficult to quickly search for data • Contains 12 sheets of large data sets • Contains 72K rows • Has data for all counties of all the states • Data column headings need to be translated Data Mart Design • Built in MySQL • Uses Star Schema • One Fact Table containing County Name and ID • Six dimension tables for each of the sheets of data • Due to time constraints: • Loaded California data only: 115 rows • Limited original 12 sheets of data to 6 sheets DEMO http://athena.ecs.csus.edu/~poond/datamart.html Data Mining Link: https://slides.com/kathleenciao/177