How To Fix UMG315 - Please make sure that the database statistics are up-to-date (TA DB02).

SAP Error Message - Details

• Message type: E = Error

• Message class: UMG - Message Class for the Unicode Migration Tool.

• Message number: 315

• Message text: Please make sure that the database statistics are up-to-date (TA DB02).

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UMG315 - Please make sure that the database statistics are up-to-date (TA DB02). ?

  The SAP error message UMG315 indicates that the database statistics for the SAP system are not up-to-date. This can lead to performance issues, as the database optimizer relies on accurate statistics to make informed decisions about how to execute queries efficiently.
  Cause:
  The primary cause of this error is that the database statistics have not been updated recently. This can happen for several reasons:
  
  The database has undergone significant changes, such as data insertions, deletions, or updates, which can render existing statistics outdated.
  The database maintenance tasks that update statistics have not been scheduled or executed.
  The database system may not have automatic statistics updates enabled.
  
  Solution:
  To resolve the UMG315 error, you should update the database statistics. Here are the steps to do this:
  
  
  Use Transaction DB02:
  
  Log in to your SAP system.
  Enter transaction code DB02 in the command field.
  Navigate to the "Database Performance" section.
  Look for the option to "Update Statistics" or "Analyze Tables."
  Select the relevant tables and execute the update.
  
  
  
  Run Database-Specific Commands:
  Depending on your database system (e.g., Oracle, SQL Server, HANA), you may need to run specific commands to update statistics. For example:
  
  Oracle: Use the DBMS_STATS.GATHER_SCHEMA_STATS procedure.
  SQL Server: Use the sp_updatestats stored procedure.
  HANA: Use the UPDATE STATISTICS command.
  
  
  
  Schedule Regular Maintenance:
  
  Set up a regular maintenance job to update statistics automatically. This can often be configured within the database management system or through SAP's database administration tools.
  
  
  
  Check for Automatic Updates:
  
  Ensure that your database is configured to automatically update statistics when data changes occur. This setting can usually be found in the database configuration options.
  
  
  
  Related Information:
  
  Performance Monitoring: Regularly monitor database performance using tools like DB02 to identify when statistics need to be updated.
  SAP Notes: Check SAP Notes related to database performance and statistics for any specific recommendations or updates.
  Database Documentation: Refer to the documentation for your specific database system for detailed instructions on managing statistics.
  
  By keeping your database statistics up-to-date, you can help ensure optimal performance for your SAP applications.