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Data Warehousing Concepts


Data Warehousing Concepts

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Comments: 87
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Hi Everybody,what is iBot in siebel analytics?why is it used?where can i find more information on it?Thanks in advance.Deepthi.
Read Answers (2) | Asked by : deepthi

Latest Answer: Multidimensional databases consolidate and calculate data to provide different views. With Multidimensional databases users can pivot the data to see the information from different view point. It contains Outlines that defines all the elements of the ...
Read Answers (2) | Asked by : Rajesh

Latest Answer: Aggregate table contains summarised data. The materialized view are aggregated tables. for ex in sales we have only date transaction. if we want to create a report like sales by product per year. in such cases we aggregate the date vales into week_agg, ...
Read Answers (1) | Asked by : stalin

Latest Answer: Datawarehouse V/S OLAPBoth the terms are interchangble.DW:Data from different source systems is stored in a relational database for end use analysis.Data is organized in summarized, aggregated,subject-oriented,non-vilatile pattern.Data in a DW is consolidated,flexible ...

Latest Answer: dear,   according to my knowledge...Business intelligence: business intelligence is a group application which is used to gather information, providing access to, analyze the information and proving this information to end user to take timely ...

Latest Answer: 1. ODS  - It is a decision support system which contains snapshot of current data for day to day analysis. This may include little history data also   OLTP - It is a trasaction system though it contains current data it keeps changing due ...

Latest Answer: According to Kimball"Factless fact table are the preferred method of recording the events in the DW where there is no natural numeric measurement associated with the event. Factless fact tables also are used to gurantee coverage" ...

Latest Answer: Business Intelligence:BI is a broad cateogry of applications and technologies for gathering, integrating, storing, analysing and providing access to data to help enterprise users make better business decisions. BI Applications includes the activities ...
Read Answers (3) | Asked by : zilanibasha

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