How To Fix RSCV666 - SAP ASE: Statistics for table &1 are obsolete

SAP Error Message - Details

• Message type: E = Error

• Message class: RSCV - Analysis of BW objects (InfoCubes...)

• Message number: 666

• Message text: SAP ASE: Statistics for table &1 are obsolete

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSCV666 - SAP ASE: Statistics for table &1 are obsolete ?

  The SAP error message RSCV666 indicates that the statistics for a specific table in SAP Adaptive Server Enterprise (ASE) are considered obsolete. This typically means that the database's query optimizer does not have up-to-date information about the distribution of data in the table, which can lead to inefficient query execution plans.
  Cause:
  
  Data Changes: Significant changes in the data, such as large inserts, updates, or deletes, can render existing statistics outdated.
  Time-Based: Some systems have a time-based threshold for when statistics are considered stale.
  Manual Changes: If statistics were manually dropped or not updated after a significant change in the table structure or data.
  
  Solution:
  To resolve the RSCV666 error, you need to update the statistics for the affected table. Here are the steps to do this:
  
  
  Use the UPDATE STATISTICS Command:
  You can run the following SQL command to update the statistics for the specific table:
  UPDATE STATISTICS FOR TABLE <table_name>;
  Replace <table_name> with the actual name of the table that is causing the error.
  
  
  Use the SAP Transaction Code:
  If you are using SAP GUI, you can also use transaction codes like DB02 or DBACOCKPIT to manage database statistics and perform updates.
  
  
  Schedule Regular Updates:
  To prevent this issue from recurring, consider scheduling regular updates of statistics, especially after large data modifications.
  
  
  Check for Automatic Statistics Updates:
  Ensure that your database configuration allows for automatic updates of statistics if applicable.
  
  
  Related Information:
  
  Performance Impact: Outdated statistics can lead to suboptimal query performance, as the query optimizer relies on accurate statistics to create efficient execution plans.
  Monitoring: Regularly monitor the health of your database and the status of statistics to ensure optimal performance.
  Documentation: Refer to the SAP ASE documentation for more details on managing statistics and understanding the implications of outdated statistics.
  
  By keeping your statistics up to date, you can help ensure that your queries run efficiently and that the database performs optimally.