How To Fix RSCV602 - DB2-z/OS: Statistics for table &1 were generated &2 days ago

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 602

• Message text: DB2-z/OS: Statistics for table &1 were generated &2 days ago

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSCV602 - DB2-z/OS: Statistics for table &1 were generated &2 days ago ?

  The SAP error message RSCV602 indicates that the statistics for a specific database table in a DB2 for z/OS environment were generated a certain number of days ago (as indicated by the message). This message is typically a warning rather than a critical error, and it suggests that the statistics for the specified table may be outdated.
  Cause:
  The cause of this message is that the database statistics for the specified table have not been updated for a certain period (in this case, the number of days is specified in the message). Outdated statistics can lead to suboptimal query performance because the database optimizer relies on these statistics to make decisions about how to execute queries efficiently.
  Solution:
  To resolve this issue, you should update the statistics for the affected table. This can be done using the following methods:
  
  
  Run the DB2 RUNSTATS Command: You can execute the RUNSTATS command in DB2 to gather fresh statistics for the table. This command can be run from a DB2 command line or through a SQL script. The syntax is generally as follows:
  RUNSTATS ON TABLE <schema_name>.<table_name>;
  
  
  Use SAP Transaction DBACOCKPIT: If you are using the SAP system, you can also use the transaction DBACOCKPIT to manage database statistics. Navigate to the relevant database and find the option to update statistics.
  
  
  Schedule Regular Updates: To prevent this warning from appearing in the future, consider scheduling regular updates of statistics for your tables. This can be done using a job scheduler or by creating a maintenance plan.
  
  
  Monitor Performance: After updating the statistics, monitor the performance of queries that access the affected table to ensure that the changes have had a positive impact.
  
  
  Related Information:
  
  DB2 Documentation: Refer to the official IBM DB2 documentation for detailed information on the RUNSTATS command and its options.
  SAP Notes: Check SAP Notes related to performance tuning and database maintenance for additional recommendations specific to your SAP version and DB2 setup.
  Database Maintenance: Regular database maintenance, including updating statistics, is crucial for optimal performance in any database system.
  
  By keeping your database statistics up to date, you can help ensure that the database optimizer has the best information available to make efficient query execution plans.