How To Fix DDUT1307 - Table maximum index width (DB &): &

SAP Error Message - Details

• Message type: E = Error

• Message class: DDUT1 - DD: Various Dictionary Utility Programs

• Message number: 307

• Message text: Table maximum index width (DB &): &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDUT1307 - Table maximum index width (DB &): & ?

  The SAP error message DDUT1307, which states "Table maximum index width (DB &): &", typically occurs when you are trying to create or modify an index on a database table, and the total width of the index exceeds the maximum allowed limit for the database system you are using.
  Cause:
  
  Index Width Exceeded: Each database has a maximum limit on the width of an index. This limit can vary depending on the database system (e.g., Oracle, SQL Server, etc.). If the combined length of the fields included in the index exceeds this limit, you will encounter this error.
  Data Types: Certain data types (like VARCHAR, TEXT, etc.) can contribute significantly to the index width. If you are including large fields in your index, it can quickly lead to exceeding the limit.
  Number of Fields: Including too many fields in a single index can also lead to this error, as each field contributes to the total width.
  
  Solution:
  
  Review Index Definition: Check the fields included in the index. Consider whether all fields are necessary for the index. You may be able to remove some fields to reduce the width.
  Use a Different Index Type: If applicable, consider using a different type of index (e.g., a bitmap index) that may have different width limitations.
  Split the Index: If the index is too wide, consider splitting it into multiple indexes that cover different combinations of fields.
  Change Data Types: If possible, change the data types of the fields included in the index to smaller types (e.g., using CHAR instead of VARCHAR if the length is fixed).
  Database-Specific Solutions: Check the documentation for your specific database system to understand its limitations and best practices for indexing.
  
  Related Information:
  
  Database Documentation: Refer to the documentation of the specific database you are using (e.g., Oracle, SQL Server, etc.) for details on index width limits and best practices.
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to this error message.
  Performance Considerations: Keep in mind that while indexes can improve query performance, having too many or overly wide indexes can negatively impact performance during data modification operations (INSERT, UPDATE, DELETE).
  
  By addressing the index width issue, you should be able to resolve the DDUT1307 error and successfully create or modify your index.