How To Fix DB895 - To many selection conditions with length > 30 in WHERE_CLAUSES

SAP Error Message - Details

• Message type: E = Error

• Message class: DB - Messages for logical databases and background processing

• Message number: 895

• Message text: To many selection conditions with length > 30 in WHERE_CLAUSES

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB895 - To many selection conditions with length > 30 in WHERE_CLAUSES ?

  The SAP error message DB895 indicates that there are too many selection conditions with a length greater than 30 characters in the WHERE_CLAUSES of a database query. This typically occurs when a query is constructed with a large number of conditions or when the conditions themselves are too lengthy, exceeding the limitations set by the database.
  Cause:
  
  Excessive Conditions: The query may have too many selection conditions that exceed the allowed limit.
  Long Conditions: Individual conditions in the WHERE clause may be too long, which can also contribute to the error.
  Complex Queries: The complexity of the query, including joins and subqueries, can lead to this error if it results in a large number of conditions.
  
  Solution:
  
  
  Simplify the Query: Review the query and try to simplify it by reducing the number of conditions. This may involve:
  
  Combining conditions where possible.
  Using ranges instead of multiple individual conditions.
  Removing unnecessary conditions.
  
  
  
  Break Down the Query: If the query is too complex, consider breaking it down into smaller, more manageable queries. You can then process the results of these smaller queries in your application logic.
  
  
  Use Temporary Tables: If applicable, you can use temporary tables to store intermediate results, which can help reduce the complexity of the final query.
  
  
  Optimize Data Retrieval: Instead of retrieving all data at once, consider paginating the results or using filters to limit the data retrieved.
  
  
  Check for Long Field Names: If the conditions involve long field names or expressions, consider using shorter aliases or simplifying the expressions.
  
  
  Database Configuration: In some cases, it may be possible to adjust database settings or configurations to allow for more conditions, but this should be done with caution and typically involves consultation with a database administrator.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error. SAP frequently releases updates that may address known issues.
  Performance Considerations: Always consider the performance implications of your queries. Simplifying queries not only helps avoid errors but can also improve performance.
  Documentation: Refer to SAP documentation for best practices on writing efficient SQL queries and understanding the limitations of the database being used.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or a database administrator for further assistance.