How To Fix /SDF/DB6126 - Time passed since last table statistics update

SAP Error Message - Details

• Message type: E = Error

• Message class: /SDF/DB6 -

• Message number: 126

• Message text: Time passed since last table statistics update

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SDF/DB6126 - Time passed since last table statistics update ?

  The SAP error message /SDF/DB6126 Time passed since last table statistics update indicates that the database statistics for a specific table have not been updated for a significant period. This can lead to suboptimal query performance because the database optimizer relies on accurate statistics to determine the best execution plan for queries.
  Cause:
  
  
  Stale Statistics: The statistics for the table have not been updated for a long time, which can happen if:
  
  The table has not been modified frequently.
  Automatic statistics updates are disabled.
  The database maintenance tasks are not scheduled or executed properly.
  
  
  
  Database Configuration: Some databases have settings that control how often statistics are updated. If these settings are not configured correctly, it can lead to outdated statistics.
  
  
  Solution:
  
  
  Update Table Statistics:
  
  You can manually update the statistics for the affected table. This can typically be done using a database-specific command or through the SAP transaction codes.
  For example, in SAP, you can use transaction code DBACOCKPIT or ST04 to analyze and update statistics.
  
  
  
  Schedule Regular Updates:
  
  Set up a regular maintenance job to update statistics automatically. This can be done through the database management system (DBMS) or through SAP's database administration tools.
  
  
  
  Check Database Settings:
  
  Review the database configuration settings related to statistics updates. Ensure that automatic updates are enabled if applicable.
  
  
  
  Monitor Performance:
  
  After updating the statistics, monitor the performance of queries that were previously slow to ensure that the changes have had a positive effect.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as DBACOCKPIT, ST04, and ST12 for performance analysis and database administration.
  Database Documentation: Refer to the documentation for your specific database (e.g., Oracle, SQL Server, HANA) for commands and best practices related to updating statistics.
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to this error message.
  
  By addressing the stale statistics issue, you can improve the performance of database queries and ensure that the SAP system runs efficiently.