How To Fix DT485 - Table & is too wide; table will not be created on DB &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 485

• Message text: Table & is too wide; table will not be created on DB &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DT485 - Table & is too wide; table will not be created on DB & ?

  The SAP error message DT485 indicates that a table you are trying to create is too wide for the database. This typically occurs when the total size of the fields in the table exceeds the maximum allowed size for a table in the database system you are using.
  Cause:
  
  Field Size Exceeded: The combined size of all the fields in the table exceeds the maximum limit set by the database. Different databases have different limits on the maximum row size.
  Data Types: Using large data types (e.g., VARCHAR, TEXT) can quickly increase the size of the table.
  Number of Fields: Having too many fields in a single table can also contribute to exceeding the maximum size.
  
  Solution:
  
  Review Table Structure: Check the fields defined in the table and their data types. Consider reducing the size of the fields or changing data types to more efficient ones.
  Normalization: If the table has many fields, consider normalizing the database design. This involves breaking the table into smaller, related tables to reduce the number of fields in any single table.
  Use of Compression: If your database supports it, consider using compression techniques to reduce the size of the data stored.
  Database Configuration: Check the database configuration settings to see if there are any options to increase the maximum row size, though this is often limited by the database system itself.
  Consult Documentation: Refer to the documentation of the specific database you are using (e.g., Oracle, SQL Server, HANA) for the maximum row size and best practices for table design.
  
  Related Information:
  
  Database Limits: Each database has its own limits for row size and maximum number of columns. For example, in Oracle, the maximum row size is 8,000 bytes, while in SQL Server, it can be up to 8,060 bytes for fixed-length columns.
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to this error. SAP frequently updates its knowledge base with solutions for common issues.
  Performance Considerations: Even if you manage to create a wide table, it may lead to performance issues. It's generally a good practice to keep tables as narrow as possible for better performance.
  
  By addressing the structure and design of the table, you can resolve the DT485 error and successfully create the table in the database.