A batch input session is a set of one or more calls to transactions along with the data to be processed by the transactions. The system normally executes the transactions in a session non-interactively, allowing rapid entry of bulk data into an R/3 System.
A session records transactions and data in a special format that can be interpreted by the R/3 System. When the System reads a session, it uses the data in the session to simulate on-line entry of transactions and data. The System can call transactions and enter data using most of the facilities that are available to interactive users.
For example, the data that a session enters into transaction screens is subject to the same consistency checking as in normal interactive operation. Further, batch input sessions are subject to the user-based authorization checking that is performed by the system.
There are three batch input methods:
- In the Direct Input Method, the programs are provided by the SAP system. These programs are available for Standard Applications. Under this method, the data base is updated using a Function Module, which is responsible for executing the appropriate consistency checks.
- In the Call Transaction Method, the ABAP Program reads the external data which is present on the Application or Presentation Server, and uses the ABAP Statement CALL TRANSACTION USING to run a SAP statement.
- In the Session Method the program reads the data and the SAP system stores the data in a “Batch Input Session”. The session records the actions that are required to transfer data into the system using normal SAP transactions.
Figure – Batch Input Session
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