Latest Answer: As part of Struts FrameWork we can decvelop the Action Servlet,ActionForm servlets(here ActionServlet means which class extends the Action class is called ActionServlet and ActionFome means which calss extends the ActionForm calss is called ...
Latest Answer: Snapshot is a fact table which describes about the state of things ina particular instance of time. It mainly involves semiadditive or nonadditive facts! ...
Latest Answer: i think there is no other way than recreating the cube. ...
Latest Answer: Yes.Because these OLAP systems involved in decision making system of the firm.the historical data which includes in olap systems helps to take business intelligence solutions. ...
Latest Answer: Active Data Warehousing (ADW)The technical ability to capture transactions when they change, and integrate them in to the warehouse - along with maintaining batch or scheduled cycle refreshes. ...
Latest Answer: In a relational data model, for normalization purposes, some lookup tables are not merged as a single table. In a dimensional data modeling(star schema), these tables would be merged as a single table called DIMENSION table for performance and slicing ...
Latest Answer: Type1: Rows containing changes to existing dimensions are updated in the target by overwriting the existing dimension. In the Type 1 Dimension mapping, all rows contain current dimension data. Use the Type 1 Dimension mapping to update a slowly changing ...
Latest Answer: Non-additive facts are facts that cannot be summed up for any of the dimensions present in the fact table ...
Latest Answer: There are basically three types of Facts :1) Additive Facts2) Non- Additive Facts3) Semi-Additive factsAdditive facts are those facts which we can aggregate or we can add.For e.g 2+7=9.Non-additive facts are those facts which we can't aggregate or ...
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