Summary: Abap Development For Sap Hana

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  • 1 Week 1

  • 1.1 Generals

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  • What is Fiori App?

    SAP Fiori is the user interface or user experience (UX) that supplements and can replace the SAP GUI. This streamlined application uses tiles to encapsulate standard tasks, such as approving purchase requisitions, viewing sales orders, and approving timesheets
  • 1.2 Unit 2: ABAP Meets SAP HANA: Evolution and Architecture

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  • Goal for application designers?

    Combine OLTP(daily operational) and OLAP(management reports) patterns within one application
  • Factor that helped SAP to buildHANA

    Hardware improvements: Less ram price and more calculation power
  • How neweste data is retrieved inser only approach?

    Transition ID
  • Name the 5 innovations of sap hanna and describe briefly

    Row and Column Store:  to optimize join operations columns are also stored 
    Data Compression 
    Table Partitioning  : Fragmentierung
    Avoidance of Aggregate Tables 
    Insert Only on Delta: update message
  • Name transparent optimizations on ABAP 7.4

    - select from all statements improved
    - open SQL now supports more complex joins
    - possible to write SQL script in ABAP code
  • 1.3 Unit3: ABAP Meets SAP HANA: What You Need to Know

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  • Disadvantage vs Advantage of row store? When which is better?

    Column store faster to Aggregate sum(amount)
    Row store faster  to select all data
  • Row store more suitable?

    Return all columns for search
    have small number of records
  • Where in sap to change between row or column table?

    Se11 -> search for table name -> DB- Specific Properties
  • Where can tables be buffered?

    Se11 -> general
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