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BDC

Hi

What is diff. between CATT and BDC?

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  • author's profile photo Former Member
    Former Member
    Posted on Nov 22, 2007 at 02:13 PM

    <b>CATT</b> is the testing tool for SAP.

    CATT stands 4 Computer Aided Testing Tool

    Although CATT is meant for as a testing tools, many SAP users have now use CATT frequently to upload vendors master data and make changes to other master record.

    SAP Consultant and Abapers tends to used it for creating test data.

    With CATT, you don't have to create any ABAP upload programs and this save on development time. However, you still have to spend time on data mapping into the spreadsheet format.

    The transactions run without user interaction. You can check system messages and test database changes. All tests are logged.

    What CATT does is record you performing the actual transaction once.

    You then identify the fields that you wish to change in that view.

    Then export this data to a spreadsheet to populate with the data required.

    This is uploaded and executed saving you keying in the data manually.

    To perform CATT, it has to be enabled in your production environment (your systems administrator should be able to do this - SCC4).

    You will also need access to your development system to create the CATT script.

    <b>BDC</b> is the data transfer technique.

    BDC Stands for BATCH DATA COMMUNICATION

    About Data Transfer In R/3 System

    When a company decides to implement the SAP R/3 to manage business-critical data, it usually does not start from a no-data situation. Normally, a SAP R/3 project comes into replace or complement existing application.

    In the process of replacing current applications and transferring application data, two situations might occur:

    • The first is when application data to be replaced is transferred at once, and only once.

    • The second situation is to transfer data periodically from external systems to SAP and vice versa.

    • There is a period of time when information has to be transferred from existing application, to SAP R/3, and often this process will be repetitive.

    The SAP system offers two primary methods for transferring data into SAP systems. From non-SAP systems or legacy system. These two methods are collectively called “batch input” or “batch data communication”.

    1. SESSION METHOD

    2. CALL TRANSACTION

    3. DIRECT INPUT

    <b>Reward Points if this helps,</b>

    Regards,

    Satish

    Message was edited by:

    Satish Panakala

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  • Posted on Nov 22, 2007 at 02:18 PM
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