Bw training 4 extraction

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Bw training 4 extraction

  1. 1. Data Extraction 
  2. 2. OLTP Extraction <ul><li>Production Data Extractors </li></ul><ul><li>DataSource Replication </li></ul><ul><li>R/3 Extraction Process </li></ul><ul><li>Non-R/3 Extraction Process </li></ul><ul><li>Scheduling </li></ul><ul><li>Monitoring </li></ul>
  3. 3. R/3 Production Data Extractor <ul><li>Supports multiple R/3 releases beginning with 3.0D. </li></ul><ul><li>Integration to DataSources provided by SAP OLTP system. </li></ul><ul><li>Data transferred using either IDOCs or TRFCs to carry the data. </li></ul>
  4. 4. DataSource Replication for R/3 OLTP R/3 OLTP Extract Structure BW Server Transfer Structure Transfer Structure DataSource Replication
  5. 5. Extraction from R/3 OLTP HR CO FI LO EC R/3 OLTP Meta data Data Extractor <ul><li>InfoSources </li></ul><ul><ul><li>Transaction data </li></ul></ul><ul><ul><li>Master Data Descriptions </li></ul></ul><ul><ul><li>Attributes </li></ul></ul><ul><ul><li>Hierarchies </li></ul></ul><ul><li>Currency conversion rates </li></ul><ul><li>Full update / Delta update </li></ul>
  6. 6. Update Process BW Server Aggregates, ODS’ and InfoCubes Update Rules UR1 UR2 UR3 Master Data Hierarchies Texts Info Sources Sales data HR admin Customer <ul><li>Update process serves </li></ul><ul><ul><li>ODS Objects </li></ul></ul><ul><ul><li>InfoCubes </li></ul></ul><ul><ul><li>Master data </li></ul></ul><ul><li>Update Rules </li></ul><ul><ul><li>Field to field </li></ul></ul><ul><ul><li>Currency conversion </li></ul></ul><ul><ul><li>Time conversion </li></ul></ul><ul><ul><li>Grouping </li></ul></ul><ul><ul><li>Fixed values </li></ul></ul><ul><ul><li>Formulas </li></ul></ul><ul><ul><li>Conditions ... </li></ul></ul>
  7. 7. Non-R/3 Data Sources <ul><li>Third party data extraction and load tools </li></ul><ul><ul><li>Third party tool represents Source System with multiple InfoSources </li></ul></ul><ul><ul><li>Meta data exchange through BAPI </li></ul></ul><ul><ul><li>Consistent update through BW transformation and update rules </li></ul></ul><ul><li>File interface </li></ul><ul><ul><li>Mapping based on meta data </li></ul></ul><ul><ul><li>Fixed and variable record length </li></ul></ul><ul><ul><li>CSV-format (i.e. Excel) </li></ul></ul>
  8. 8. External Data ‘Extraction’ – Remote Cubes 
  9. 9. SAP BW Remote Cube <ul><li>Replace reporting tools in OLTP systems wherever possible </li></ul><ul><ul><li>Uniform and modern user interface </li></ul></ul><ul><ul><li>Cross application reporting </li></ul></ul><ul><li>Real-time access to transaction data in the operative system(s) </li></ul><ul><ul><li>Direct access versus replication </li></ul></ul><ul><li>Reuse of the existing BW infrastructure </li></ul><ul><ul><li>Extractors </li></ul></ul><ul><ul><li>Service API </li></ul></ul><ul><ul><li>BW meta data model </li></ul></ul><ul><ul><li>Transfer rules </li></ul></ul>
  10. 10. Limitations <ul><li>Only for transaction data </li></ul><ul><li>Suitable only for small volumes of data </li></ul><ul><li>Few end users </li></ul><ul><li>Additional requirements for the extractors </li></ul><ul><ul><li>Selective for the most important characteristics </li></ul></ul><ul><ul><li>Pre-aggregation (if appropriate) </li></ul></ul><ul><li>No Inversion of Customer Exits (in SAPI) </li></ul><ul><li>Available from OLTP-Release 4.0B on </li></ul>

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