SAP BW by Rahul
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Transcript of SAP BW by Rahul
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-by
Rahul Sindhwani
SAP BI/BW
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What is BI ? SAP BI History of SAP BI ETL Process Architecture of SAP BI Typical Data Flow in SAP BI Data Model – Info Object, Infocube(Star
Schema Extended Star Schema ,DSO etc Business Explorer (Bex Analyser , Query
Designer)
SCOPE/ AGENDA
Agenda
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What is Business Intelligence?
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Gathering
Storing
Analyzing
Providing Access to data
Make better Decisions
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BI answers following questions
What is the current status of the business?– What’s going well?– What needs improvement?
What are the business’ strengths and weaknesses?
How do we improve our decision making?
Yesterday – Now - Tomorrow
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Business Intelligence Turns Data into Knowledge
Data
Information
Knowledge
Decision
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SAP BISAP BI Data Warehousing Solution by SAP
Flexible reporting and analysis tool for evaluating and interpreting the data.
Business data integrated, transformed, and consolidated in Sap BI.
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History of SAP BISAP launched the product in 1997 by the
name “Business information Warehouse (BIW), Version 1. 2A
Product Name Changed to “Business Warehouse” (BW) with version 3.0A
Named “Business Intelligence “BI” with version 7.0
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ETL (Extraction, Transformation, Loading)
Data Analysis & Planning
Tools for accessing and visualizing data
Publishing content from SAP BI
Performance
Security
BI Content
Key Functionalities of SAP BI
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ETL Process The process of the extracting data from
Source systems and making it useful for our needs is ETL
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SAP systems (S-API Service Application
Programming Interface)
BI systems
Flat files
Database management systems (DB Connect)
Relational or multidimensional sources (UD
Connect)
Web Services
Source Systems
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DATA STORAGE AND
DATA FLOW
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Typical Data Flow in SAP BI
Transformation 1
Transformation 2
Infopackage
DTP
DTP
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Data Source is a set of fields that are provided to transfer data into BI
1) DataSource for transaction data2) DataSource for master data
DATASOURCE
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PSA The Persistent Staging Area (PSA) is the
storage area for data from the source systems in BI.
The requested data is saved, unchanged from the source system.
Starting point (entrance) of data into BI system
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Direct assignment
Constants
Reading master data
Routines
Formula
Initial
Transformation
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DSOA DataStore object serves as a storage
location for consolidated and cleansed data.
The data in DataStore objects is stored in transparent, flat database tables.
This data can be evaluated using a BEx query. Contain 1) Key Fields (Ex Doc number, item
etc 2) Data Fields
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Determine the sales amount for customers located in ‘New York’ with Material Group “ABC” in the year 2011
Dimensions /Characteristi
cs
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Bex Query Designer
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Bex Analyzer
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Process Control in BW Data Load
Monitor
Data Target Maintenance
Start 1
Load into PSA
3
Load into ODS
4
Activate Data in
ODS
5
Further update
6Build Indices
7
Build DB Statistics
8
Roll up Aggregate
9
Drop Indices 2
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Advantages of SAP BICovers Major Business Processes
Simple access to business information via a single point of entry
High performance environment.
Standardized structuring and display of all business information
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Infosets now can include Infocubes as well
Remodeling. This is only for info cube.
The BI accelerator (for now only for infocubes) helps in reducing query run time
Search functionality hass improved. You can search any object.
The Data Warehousing Workbench replaces the Administrator Workbench
Major Differences between Sap Bw 3.5 & sapBI 7.0 version
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Transfer and Update rules replaced by Transformation
Load through PSA has become a mandatory
Introduction of "end routine" and "Expert Routine“
Renamed ODS as DataStore.
Introduction of Write optimized DSo
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THANK YOU