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WebDesign and populate a data warehouse, and model and querydata using CUBE, ROLLUP, and materialized views. Identify popular data analytics and business intelligence tools and vendors and create data visualizations using IBM Cognos Analytics. WebThe drill-down operation (also called roll-down) is the reverse operation of roll-up. Drill-down is like zooming-in on the data cube. It navigates from less detailed record to more detailed data. Drill-down can be performed by … http://www.sqlbootcamp.com/how-to-become-a-data-warehouse-architect/ tribal tech album