How To Fix RSCV601 - DB2-z/OS: Statistics for table &1 were generated &2 days ago, max. &3 OK

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 601

• Message text: DB2-z/OS: Statistics for table &1 were generated &2 days ago, max. &3 OK

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSCV601 - DB2-z/OS: Statistics for table &1 were generated &2 days ago, max. &3 OK ?

  The SAP error message RSCV601 is related to the statistics of a database table in a DB2 for z/OS environment. This message indicates that the statistics for a specific table (denoted by &1) were generated a certain number of days ago (&2), and it checks against a maximum threshold (&3) for how old the statistics can be before they are considered outdated.
  Cause:
  The primary cause of this error message is that the statistics for the specified table have not been updated for a period that exceeds the acceptable threshold. This can lead to suboptimal query performance because the database optimizer relies on accurate statistics to make informed decisions about how to execute queries efficiently.
  Solution:
  To resolve this issue, you should update the statistics for the affected table. Here are the steps you can take:
  
  
  Run the Statistics Update: Use the appropriate SQL command to gather fresh statistics for the table. In DB2, you can use the RUNSTATS command. For example:
  RUNSTATS ON TABLE your_schema.your_table;
  
  
  Schedule Regular Updates: To prevent this issue from recurring, consider scheduling regular updates of statistics. This can be done using a job scheduler or a maintenance plan that runs the RUNSTATS command periodically.
  
  
  Monitor Statistics Age: Keep an eye on the age of statistics for your tables. You can create a monitoring job that alerts you when statistics are approaching the maximum age threshold.
  
  
  Review Database Performance: After updating the statistics, monitor the performance of queries that access the affected table to ensure that performance has improved.
  
  
  Related Information:
  
  DB2 Documentation: Refer to the official IBM DB2 documentation for detailed information on how to use the RUNSTATS command and best practices for maintaining database statistics.
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to this error message, as there may be updates or fixes that address related issues.
  Database Administration: Ensure that your database administration team is aware of the importance of maintaining up-to-date statistics and that they have the necessary tools and processes in place.
  
  By following these steps, you should be able to resolve the RSCV601 error and maintain optimal performance for your SAP applications running on DB2 for z/OS.