How To Fix DB6PM171 - Selecting no statistics for both table and indexes is not allowed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 171

• Message text: Selecting no statistics for both table and indexes is not allowed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DB6PM171 - Selecting no statistics for both table and indexes is not allowed ?

  The SAP error message DB6PM171 indicates that there is an issue with the selection of statistics for both tables and indexes in the database. This error typically arises when you attempt to collect or manage statistics for a database object without specifying the necessary parameters, leading to a conflict where neither table nor index statistics are selected.
  Cause:
  The error occurs when:
  
  You are trying to collect statistics for a database table or index, but the system is configured to not select any statistics for either.
  There may be a misconfiguration in the database settings or the command being executed does not specify the required options for collecting statistics.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Command Syntax: Ensure that the command you are using to collect statistics is correctly formatted. You should specify whether you want to collect statistics for tables, indexes, or both.
  
  
  Specify Statistics Collection: Modify your command to explicitly select either table statistics, index statistics, or both. For example, if you are using a SQL command, ensure that you include the appropriate options to collect the desired statistics.
  
  
  Database Configuration: Review the database configuration settings to ensure that statistics collection is enabled for both tables and indexes. This may involve checking the database management system (DBMS) settings.
  
  
  SAP Notes and Documentation: Check for any relevant SAP Notes or documentation that may provide additional context or updates regarding this error. SAP frequently updates its knowledge base with solutions for common issues.
  
  
  Consult with Database Administrator: If you are unsure about the correct settings or commands, consult with your database administrator (DBA) for assistance. They can provide insights into the database configuration and help you execute the correct commands.
  
  
  Related Information:
  
  Database Statistics: Statistics are crucial for the database optimizer to make informed decisions about query execution plans. Regularly collecting and updating statistics can improve performance.
  SAP Basis: Understanding the role of SAP Basis in managing database connections and configurations can be helpful in troubleshooting such issues.
  Performance Tuning: If you frequently encounter issues related to statistics, consider reviewing your database performance tuning strategies.
  
  By following these steps, you should be able to resolve the DB6PM171 error and successfully manage statistics for your database tables and indexes.