ABAP/4 Optimization

ABAP/4 programs can take a very long time to execute, and can make other processes have to wait before executing. Here are some tips to speed up your programs and reduce the load your programs put on the system:

  • Use the GET RUN TIME command to help evaluate performance. It’s hard to know whether that optimization technique REALLY helps unless you test it out. Using this tool can help you know what is effective, under what kinds of conditions. The GET RUN TIME has problems under multiple CPUs, so you should use it to test small pieces of your program, rather than the whole program.

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Checklist for LSMW

Pre-Check LSMW: To-Do-List Before Using the Tool

The LSM Workbench is a tool that supports the transfer of data from non-SAP systems to R/3. Basic functionality of the LSM Workbench:

1.      Import old data from spreadsheet tables or sequential files.

2.      Convert the data from source format into target format.

3.      Import the data into R/3.

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Concept and Structure of Tables in SAP

All data in SAP neccesarily sits in tables. A table is nothing but a matirx containing rows and columns which how the database would handle the data. In SAP, each table contains a header. The header defines the fields i.e. columns in the table. Each table also contains data values which are identically configured rows which contain data values. There are normally four types of tables in SAP.

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Reconciliation Ledger in SAP

How to Reconcile CO and FI Modules in SAP

The Reconciliation Ledger is a functionality available in the SAP Controlling module which helps in reconciling CO and FI. In the reconciliation ledger, Controlling CO data is totaled and valuated. The reconciliation ledger displays data in all CO applications. This data could be for a cost element, business area, object types, object classes, totals of company codes etc.So how does the reconciliation ledger reconcile FI and CO records. The reconciliation ledger uses reconciliation postings for this purpose.

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FAQ On SAP

In this paper following topics covered with Questions and Answer in detail,very useful for beginners;

1) SAP ARCHITECTURE.
2) DICTIONARY
3) TRANSACTIONS(DIALOG).
4) TRANSACTIONS.
5) SAP SCRIPT
6) BATCH DATA COMMUNICATION.
7) ALE/EDI

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Changing the Material Valuation Types

 

Assuming you have defined split valuation types in the sap img, you must remove all stock for the current period and one previous period before you can create the material with different valuation types.

The best method is to wait until the last day of a period, and then perform a physical inventory adjustment to remove the stock.

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Safety Stock Calculation

In normal materials management there are basically 2 basic inventory management systems, the P system and the Q system. 

P system is a system wherein replenishment is done keeping the quantity constant. The period becomes the variant. In other words you fix the quantity you want the stock to dip, to trigger a requirement. As soon as the stock level is reached you replenish the stock. During a lean period the time taken to reach the level will be longer and during an active period the time taken to reach that stock could drop.This normally relates with your consumption based planning. 

Q system is a system wherein replenishment is done keeping the period constant. The quantity becomes the variant. In other words you will check for the level of stock at fixed time intervals (daily, weekly, monthly etc.) compare it with the requirements on that day and trigger the procurement process for replenishment.This normally relates with your MRP.

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