How To Fix DT344 - More than one base object; buffering of view is thus not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 344

• Message text: More than one base object; buffering of view is thus not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT344 - More than one base object; buffering of view is thus not possible ?

  The SAP error message DT344 ("More than one base object; buffering of view is thus not possible") typically occurs when you are trying to buffer a database view that is based on multiple base tables. In SAP, buffering is a performance optimization technique that allows frequently accessed data to be stored in memory, reducing the need for repeated database access. However, buffering can only be applied to views that are based on a single base table.
  Cause:
  The error arises because:
  
  The view you are trying to buffer is defined on multiple base tables.
  SAP does not support buffering for views that aggregate data from more than one table, as it cannot ensure data consistency across multiple sources.
  
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Review the View Definition:
  
  Check the definition of the view in transaction SE11 (Data Dictionary).
  Identify the base tables involved in the view and determine if it is necessary to include multiple tables.
  
  
  
  Create Separate Views:
  
  If possible, create separate views for each base table that you need to buffer. This way, you can buffer each view independently.
  
  
  
  Use a Different Approach:
  
  If the view is necessary for your application, consider using a different method to access the data, such as direct table access or using a different type of view that does not require buffering.
  
  
  
  Check for Alternatives:
  
  If the performance is an issue, consider using database indexes or optimizing the underlying tables instead of relying on buffering.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP Basis team for best practices regarding buffering and performance optimization.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE80 (Object Navigator).
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or updates regarding this error.
  Performance Tuning: Consider general performance tuning practices in SAP, such as optimizing SQL queries, using appropriate indexes, and analyzing database performance.
  
  By following these steps, you should be able to address the DT344 error and improve the performance of your SAP application.