How To Fix D3194 - Tables that require new statistics (RUNSTATS)

SAP Error Message - Details

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 194

• Message text: Tables that require new statistics (RUNSTATS)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message D3194 - Tables that require new statistics (RUNSTATS) ?

  The SAP error message D3194 indicates that certain database tables require new statistics to be generated. This typically occurs when the database optimizer needs updated statistics to make informed decisions about how to execute queries efficiently. Outdated or missing statistics can lead to suboptimal query performance.
  Cause:
  
  Data Changes: Significant changes in the data volume or distribution within the tables can render existing statistics obsolete.
  Database Maintenance: Operations such as bulk data loads, deletions, or updates can necessitate the need for new statistics.
  Database Configuration Changes: Changes in the database configuration or the underlying hardware can also trigger the need for updated statistics.
  
  Solution:
  To resolve the D3194 error, you need to run the RUNSTATS command (or its equivalent) on the affected tables. This process collects and updates the statistics for the database optimizer. Here are the steps to do this:
  
  Identify Affected Tables: Check the error message details to identify which tables require new statistics.
  Run Statistics Command:
  
  If you are using SAP HANA, you can use the following SQL command:
  CALL "SYS"."REORG_TABLE"('schema_name.table_name');
  
  For other databases (like Oracle, SQL Server, etc.), the command may vary. For example, in Oracle, you might use:
  EXEC DBMS_STATS.GATHER_TABLE_STATS('schema_name', 'table_name');
  
  
  
  Schedule Regular Maintenance: To prevent this issue from recurring, consider scheduling regular maintenance jobs to gather statistics periodically.
  
  Related Information:
  
  Database Documentation: Refer to the documentation specific to your database system for detailed instructions on gathering statistics.
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to this error.
  Performance Monitoring: Monitor the performance of your database queries after updating statistics to ensure that the changes have had the desired effect.
  
  Best Practices:
  
  Regularly monitor and maintain database statistics as part of your database administration tasks.
  Consider implementing automated jobs to gather statistics based on your data change patterns.
  Keep your database and SAP system updated to leverage improvements in performance and error handling.
  
  By following these steps, you should be able to resolve the D3194 error and improve the performance of your SAP system.