ocr: THE DECISION SUPPORT SYSTEM External datd source Data warenouse Exirachionz Dotd warehouse Operational tronstormalion manggemen dalo tool Bota access andi anaiysrss Source: Hewler-ackard lools FIGURE 2: HewlelHPackard's Open Warehouse Framework illustrates the data warenouse concept. Dala collecled from operational or exleral sources is cleoned and mossaged into summorized form. Once in the warehouse, itis - ready for ruseand analysis.
