How To Fix RS_DB_DB6221 - Index &1 of table &2 is compressed

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_DB_DB6 - DB6-Specific Messages in SAP BW

• Message number: 221

• Message text: Index &1 of table &2 is compressed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RS_DB_DB6221 - Index &1 of table &2 is compressed ?

  The SAP error message RS_DB_DB6221 indicates that an index of a database table is compressed. This can occur in the context of database administration and performance optimization, particularly when dealing with large datasets in SAP systems.
  Cause:
  The error typically arises when:
  
  An attempt is made to perform operations (like updates or deletes) on a compressed index.
  The database system is configured to use compression for certain tables or indexes to save space and improve performance.
  The operation being attempted is not compatible with the compressed state of the index.
  
  Solution:
  To resolve this error, you can consider the following steps:
  
  
  Decompress the Index:
  
  If you have the necessary permissions, you can decompress the index. This can usually be done through database administration tools or SQL commands specific to your database system (e.g., using ALTER INDEX commands in Oracle or similar commands in other databases).
  
  
  
  Check Database Settings:
  
  Review the database settings related to index compression. Depending on your database system, you may be able to adjust these settings to prevent the error from occurring in the future.
  
  
  
  Rebuild the Index:
  
  If decompression is not an option or does not resolve the issue, consider rebuilding the index. This can often resolve issues related to index corruption or incompatibility.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or your database vendor's documentation for specific instructions on handling compressed indexes.
  
  
  
  Contact Support:
  
  If the issue persists, consider reaching out to SAP support or your database administrator for further assistance.
  
  
  
  Related Information:
  
  Database-Specific Commands: The exact commands to decompress or rebuild indexes will vary depending on the database system (e.g., Oracle, SQL Server, HANA, etc.).
  Performance Considerations: While compression can save space and improve performance, it may also lead to complications during certain operations. It's essential to balance the benefits of compression with the operational needs of your SAP system.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.
  
  Always ensure that you have proper backups and understand the implications of modifying database structures before proceeding with any changes.