Set of flashcards SAP BW330

Flashcards	7
Language	Deutsch
Category	Computer Science
Level	Other
Created / Updated	14.03.2013 / 28.02.2017
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What driving factors lead to a corporate BI strategy?

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consolidation of an already developed BW landscape
control of local BW initiatives
reduction of redundant developments
guaranteed, reliable headquarter reporting
integration of distributed operational landscapes
roll-out of a specific global scenario
simulataneous introduction of SAP NetWeaver BW for a global SAP ERP rollout
no flexibility

Definition of Enterprise Data Wareouse (EDW)

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The Enterprise Data Warehouse is:

The sum of all deicions made for the entire company
to produce a valid and stable corporate data warehouse solution
that satisfies all of the demands for integrated and consistently structured information.
To achieve this, it is necessary to adhere to generally accepted guidelines.
The architecture is a "system design" decision that is valid and stable for a specific period of time.

What are the three layers in a historical EDW as defined by Inmon?

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Data Acquisition
Primary Storage Management / Transformation
Data Delivery

Where in the historical EDW as described by Inmon is the "single point of truth" constructed?

In the Data Acquisition layer

In the Primary Storage Management layer

In the Data Delivery layer

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In the Data Acquisition layer

In the Primary Storage Management layer

In the Data Delivery layer

What are the benefits of using an EDW architecture?

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control redundancies in
- Data
- (Extraction/Staging) Process
- Data Models
achieve satisfactory performance
flexibility
- satisfy new unknown demands
- cope with new situations without destroying existing scenarios or objects, and deliver on time and complete

What is the LSA?

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The Layererd Scalable Architecture (LSA) is the implementation of the EDW architecture with the means provided by SAP NetWeaver BW.

The term has been coined by SAP to distinguish its implementation from the more generic term EDW architecture and to register it as a trademark ;)

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