How To Fix AXT_MODEL227 - Maximum DB size exceeded; remove fields or reduce their length

SAP Error Message - Details

• Message type: E = Error

• Message class: AXT_MODEL -

• Message number: 227

• Message text: Maximum DB size exceeded; remove fields or reduce their length

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AXT_MODEL227 - Maximum DB size exceeded; remove fields or reduce their length ?

  The SAP error message AXT_MODEL227, which states "Maximum DB size exceeded; remove fields or reduce their length," typically occurs when the data model you are trying to create or modify exceeds the maximum allowed size for a database table in SAP. This can happen in various contexts, such as when working with data models in SAP BW (Business Warehouse) or when defining custom database tables.
  Cause:
  
  Field Lengths: The total length of the fields defined in the data model exceeds the maximum limit allowed by the database.
  Number of Fields: The number of fields in the data model may be too high, leading to an overall size that exceeds the database limits.
  Data Type Sizes: Using data types that have larger sizes than necessary can contribute to exceeding the maximum database size.
  Database Limitations: Different databases have different limitations on the maximum size of a table or the maximum number of columns.
  
  Solution:
  
  Review Field Lengths: Check the lengths of the fields defined in your data model. If any fields have unnecessarily large lengths, consider reducing them to the minimum required size.
  Remove Unused Fields: If there are fields in the data model that are not needed, consider removing them to reduce the overall size.
  Optimize Data Types: Use more efficient data types where possible. For example, if a field is defined as a CHAR(255) but only needs to store short strings, consider changing it to CHAR(50) or a more appropriate type.
  Split the Model: If the data model is too large, consider splitting it into multiple smaller models or tables if feasible.
  Check Database Documentation: Refer to the documentation for your specific database to understand its limitations and best practices for designing tables.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message. SAP frequently updates its knowledge base with solutions for common issues.
  Data Model Design Best Practices: Familiarize yourself with best practices for designing data models in SAP to avoid similar issues in the future.
  Database Administration: If you have access to a database administrator, consult them for advice on optimizing the database schema and ensuring compliance with database limits.
  
  By following these steps, you should be able to resolve the AXT_MODEL227 error and successfully create or modify your data model in SAP.