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Dense
Dense
A multi-dimensional database is dense if a relatively high percentage of the possible combinations of its dimension members contain data values. This is the opposite of sparse.
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Quickstart BI Tutorial
Business intelligence and Data warehousing basics for beginners:
What is business intelligence(BI)?
What is data warehouse?
What is data mining?
What is ETL process?
Who are top BI vendors?
Define: Facts, Dimensions table
What is data modeling?
What is star schema?
What is snowflake schema?
What are BI scorecards?
Difference: OLTP vs OLAP
Difference: KPI vs Dashboard
Difference: Dashboard vs Scorecard
Database vs Data Warehouse
Data warehousing vs Data mining
Data warehouse vs Datamart
Star schema vs Snowflake schema
Interview Questions
Data minining blog
OLAP Jargons 
