The optimization of efficiency in ABAP application program based on internal table

ABAP (Advanced Business Application Programming) is the programming language of the SAP system. ABAP programming plays an important role in the implementation process of the ERP (enterprise resource planning system). ABAP program of the pros and cons will directly affect the application of ERP in business. The internal table in the ABAP program plays an important role, Therefore, Researched on the type of internal table, read and joining internal tables, proposed the optimization of efficiency in ABAP application program based on internal table. ON joining internal tables, proposed an improved algorithm of joining internal tables, Improve the time complexity of the program, the performance of programs has been improved several times, and implementation process of project obtains a stable operating results.