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Data Flow Migratimon From BW 3.5 to BI 7.X

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    SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX -  bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2011 SAP AG 1 Data Flow Migration from BW 3.5 to BI 7.X Applies to: SAP NetWeaver Business Warehouse (Formerly BI). For more information, visit the EDW homepage.  Summary This article tells about the details of the objects which are used for Data Transfer from Source System ECC to Target System BW 3.5/BI 7.X. Author:  Surendra Kumar Reddy Koduru Company:  ITC Infotech India Ltd. (Bangalore/INDIA) Created on: 20 June 2011 Author Bio Surendra Kumar Reddy Koduru is a SAP BI/BO Lead Consultant currently working with ITC Infotech India Ltd (Bangalore/INDIA). He has got rich experience and worked on various BW/BI Implementation/Support Projects and he is the author for various Articles and Blogs (SAP-BW/BI) in SAP Community Network.    Data Flow Migration from BW 3.5 to BI 7.X SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX -  bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2011 SAP AG 2 Table of Contents Introduction: ........................................................................................................................................................ 3   DataSource: ........................................................................................................................................................ 3   InfoSource:.......................................................................................................................................................... 3   Transfer Structure: .............................................................................................................................................. 4   Transfer Rules: ................................................................................................................................................... 4   Update Rules: ..................................................................................................................................................... 5   Transformations: ................................................................................................................................................. 5   Emulation, Migration, and Restoring DataSources: ........................................................................................... 6   Emulation: ........................................................................................................................................................... 6   Migration: ............................................................................................................................................................ 6   Restoring:............................................................................................................................................................ 6   Live Scenario: ................................................................................................................................................. 7   Step # 1:....................................................................................................................................................................... 7   Step # 2:....................................................................................................................................................................... 8   Step # 3:..................................................................................................................................................................... 12   Step # 4:..................................................................................................................................................................... 14   Step # 5:..................................................................................................................................................................... 16   Step # 6:..................................................................................................................................................................... 16   Step # 7:..................................................................................................................................................................... 17   Step # 8:..................................................................................................................................................................... 18   Step # 9:..................................................................................................................................................................... 19   Step # 10:................................................................................................................................................................... 19   Step # 11:................................................................................................................................................................... 23   Step # 12:................................................................................................................................................................... 29   Step # 13:................................................................................................................................................................... 30   Related Content ................................................................................................................................................ 32   Disclaimer and Liability Notice .......................................................................................................................... 33      Data Flow Migration from BW 3.5 to BI 7.X SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX -  bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2011 SAP AG 3 Introduction:  After reading this article, you will know, what are all the objects which are used for data transfer from Source System ECC to Target System SAP BW/BI. In coming articles we will migrate the data flow from SAP BW 3.5. To SAP BI 7.X. DataSource:  A DataSource is a set of fields that provide the data for a business unit for data transfer into BI. From a technical viewpoint, the DataSource is a set of logically-related fields that are provided to transfer data into BI in a flat structure (the extraction structure), or in multiple flat structures (for hierarchies). There are four types of DataSource:   DataSource for transaction data   DataSource for master data   DataSource for attributes   DataSource for texts   DataSource for hierarchies Use: DataSources supply the metadata description of source data. They are used to extract data from a source system and to transfer the data to the BI system. They are also used for direct access to the source data from the BI system. InfoSource: InfoSources specify the set of all data available for a business transaction or a type of business transaction (for example, cost center accounting). InfoSources are sets of logically-related information, summarized into a single unit. They serve to stage consolidated data that can be updated into additional InfoProviders. InfoSources can contain either transaction data or master data (attributes, texts, and hierarchies). Use: In the BI system, a DataSource is assigned to an InfoSource. If fields that logically belong together exist in different source systems, they can be grouped together in a single InfoSource in the BI system by assigning multiple DataSources to one InfoSource. In transfer rule maintenance, individual DataSource fields are assigned to the corresponding InfoObject of the InfoSource. Here you can also specify how the data of a DataSource is transferred to the InfoSource. The uploaded data is transformed using transfer rules. An extensive library of transformation functions that contain business logic can be used here to clean up data and allow it to be analyzed. The rules can be applied simply, without coding, by using formulas.    Data Flow Migration from BW 3.5 to BI 7.X SAP COMMUNITY NETWORK SDN - sdn.sap.com | BPX -  bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com © 2011 SAP AG 4 See the following screen, it will show how it will connect DataSource and Data InfoProviders. Transfer Structure: The transfer structure is the structure in which the data is transported from the source system into BI. It is a selection of DataSource fields from a source system. Use: The transfer structure provides BI with all the source system information available for a business process.  An InfoSource 3.x in BI needs at least a DataSource 3.x for data extraction. In an SAP source system, DataSource data that logically belongs together is staged in a flat structure, the extraction structure. In the source system, you are able to filter and enhance the extraction structure in order to determine the DataSource fields. Transfer Rules: This is the place where we will map the ECC/Source System Fields and BW/BI InfoObjects. Use: When you have maintained the transfer structure and the communication structure, you use the transfer rules to determine how you want the transfer structure fields to be assigned to the communication structure InfoObjects. You can arrange for a 1:1 assignment. You can also fill InfoObjects using routines, formulas, or constants.
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