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Tying Together Olap, Datawarehouses, Datamarts, and 3-Tier ArchitectureEssay Preview: Tying Together Olap, Datawarehouses, Datamarts, and 3-Tier ArchitectureReport this essayWrite a short paper explaining OLAP, Data Warehouse and Data Mart, and Three-tier architecture.I read several articles before I completely understood what OLAP really meant. First, I found a definition that sounded fairly simple at this address.