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Here i want to share brief about ASAP methodology for SAP beginners!!!


Stages in BW project  
1 Project Preparation / Requirement Gathering   
2 Business Blueprint   
3 Realization   
4 Final Preparation   
5 GO Live & Support

1. Project Preparation / Requirement Gathering   

Collect requirement thru interviews with Business teams /Core users / Information Leaders .   
Study & analyze KPI ‘s (key figures) of Business process .   
Identify the measurement criteria’s (Characteristics).   
Understand the Drill down requirements if any.   
Understand the Business process data flow if any .   
Identify the needs for data staging layers in BW – (i.e need for ODS if any)Understand the system landscape .   
Prepare Final Requirements Documents in the form of Functional  specifications containing :   
Report Owners,   
Data flow ,   
KPI’s ,   
measurement criteria’s,   
Report format along with drilldown requirements .

2. Business Blueprint  

Check Business content against the requirements   
Check for appropriate   
Info Objects – Key figures & Characters   
Check for Info cubes / ODS   
Check for data sources & identify fields in source system   
Identify Master data   
document all the information in a file – follow standard templates   
Prepare final solution   
Identify differences (Gaps) between Business Content & Functional   
specification. propose new solutions/Developments & changes if required at different levels such as Info Objects ,Info cube , Data source etc . Document the gaps & respective solutions proposed– follow standard templates   
Design & Documentation   
Design the ERD & MDM diagrams for each cube & related objects   
Design the primary keys/data fields for intermediate Storage in ODS   
Design the Data flow charts right from data source up to Cube .   
Consider the performance parameters while designing data models   
Prepare High level / Low level design documents for each data model.— follow standard templates   
Identify the Roles & Authorizations required and Document it – follow standard templates   
final review of design with core BW users .   
Sign off the BBP documents

3. Realization   

Check & Apply Latest Patches/Packages …in BW & R/3 systems.   
Activate/Build & enhance the cubes/ODS as per data model designs…maintain the version documents .   
Identify & activate Info objects / Master data info sources / attributes ,prepare update rules   
Assign data sources .prepare transfer rules , prepare multi providers . prepare Info packages .   
perform the unit testing for data loads….both for master data & transaction data .   
develop & test the end user queries .   
Design the process chains ,schedule & test   
create authorizations / Roles …assign to users ..and test   
Apply necessary patches & Notes if any .   
freeze & release the final objects to quality systems   
perform quality tests .   
Re design if required . (document changes, maintain versions)

4. Final Preparation   

Prepare the final check list of objects to be released .identify the dependencies & sequence of release   
perform Go Live checks as recommended by SAP in production system   
keep up to date Patch Levels in Production system   
Test for production scenarios in a pre-production system which is a replica of production system .   
Do not Encourage the changes at this stage .   
freeze the objects .

5 GO Live & Support   

keep up to date Patch Levels   
Release the objects to production system   
Run the set ups in R/3 source system & Initialize Loads in BW   
Schedule Batch jobs in R/3 system (Delta loads)   
schedule the process chains in BW .   
Performance tuning – on going activity   
Enhancements – if any

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