What is table reduction in SAP BC-ABA - ABAP Runtime Environment?

SAP Term: table reduction

• Component: BC-ABA

• Component Name: ABAP Runtime Environment

• Description: Creates the content of a data object as a subexpression of the reduction operator REDUCE by evaluating one or more internal tables after FOR expressions. This usually reduces the content of the internal table to a less complex data object.

Smart SAP Assistant

• Key Concepts: 
  Table reduction is a feature of the ABAP Runtime Environment in SAP that allows for the optimization of database access. It reduces the amount of data that needs to be read from the database by only selecting the necessary fields and records. This helps to improve performance and reduce system load.
  
  How to use it: 
  Table reduction can be enabled in the ABAP Runtime Environment by setting the parameter ‘abap/table_reduction’ to ‘X’. This will enable table reduction for all database accesses in the system. It can also be enabled on a per-program basis by setting the parameter ‘abap/table_reduction’ to ‘Y’ in the program attributes.
  
  Tips & Tricks: 
  Table reduction should be used with caution as it can lead to incorrect results if not used correctly. It is important to ensure that all necessary fields and records are selected when using table reduction. Additionally, it is important to test any programs that use table reduction before deploying them into production.
  
  Related Information: 
  For more information on table reduction, please refer to SAP Note 845861 or the ABAP Runtime Environment documentation.