SAP Data Migration
Data migration is the process of migrating (transferring) of data from one system to another. It is a key consideration for any system implementation, upgrade or consolidation.
Data migration process required in depth planning , about what data to be transfer, the sequence of the data transfer, field mapping, conversion rules etc.
Different sap tools for data migration are like, lsmw, bdc and bapi
In this course you will learn lsmw 4 methods
LSMW Advantages:
1.Flexibility to use different method.
2.Can be use by both technical and functional consultant
3.Migration possible with any DB ,as the final input method is flat file
Disadvantage :
1.Difficult to debug, cannot be debug as per normal debugging method.
2.Coding not possible to perform some complex validations, putting default values based on conditions .
Overview sap data migration
lsmw with 4 method : direct input, recording, bapi and idoc
lsmw debugging
BDC, SHDB recording, call transaction method, session method, bdc for table control
BAPI - how to search a bapi
Create program using BAPI
BAPI extension