How To Fix DB6PM177 - Table does not have a valid statistics in system catalog

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6PM - DB2 UDB for UNIX, Windows: Performance Monitoring

• Message number: 177

• Message text: Table does not have a valid statistics in system catalog

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB6PM177 - Table does not have a valid statistics in system catalog ?

  The SAP error message DB6PM177, which states "Table does not have a valid statistics in system catalog," typically indicates that the database statistics for a specific table are either missing or outdated. This can lead to performance issues, as the database optimizer relies on accurate statistics to make informed decisions about query execution plans.
  Cause:
  
  Missing Statistics: The statistics for the table have not been generated or have been deleted.
  Outdated Statistics: The statistics may be outdated due to significant changes in the data (e.g., large inserts, updates, or deletes).
  Database Configuration: The database may not be configured to automatically gather statistics.
  Database Maintenance: Regular maintenance tasks that include updating statistics may not have been performed.
  
  Solution:
  To resolve the DB6PM177 error, you can take the following steps:
  
  
  Generate Statistics:
  
  Use the database management tools or SQL commands to generate statistics for the affected table. The specific command will depend on the database system you are using (e.g., Oracle, SQL Server, etc.).
  For example, in Oracle, you might use:
  EXEC DBMS_STATS.GATHER_TABLE_STATS('schema_name', 'table_name');
  
  In SQL Server, you can use:
  UPDATE STATISTICS schema_name.table_name;
  
  
  
  
  Check Automatic Statistics Gathering:
  
  Ensure that your database is configured to automatically gather statistics. This can usually be set in the database configuration settings.
  
  
  
  Schedule Regular Maintenance:
  
  Implement a regular maintenance plan that includes updating statistics, especially after large data modifications.
  
  
  
  Monitor and Analyze:
  
  After updating the statistics, monitor the performance of queries involving the affected table to ensure that the issue is resolved.
  
  
  
  Related Information:
  
  Database Documentation: Refer to the documentation for your specific database system for detailed instructions on managing statistics.
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to this error message.
  Performance Tuning: Consider reviewing overall database performance tuning practices, as proper statistics are just one aspect of optimizing database performance.
  
  If the problem persists after following these steps, it may be beneficial to consult with your database administrator or SAP support for further assistance.