How To Fix SDBALM033 - Optimizer statistics

SAP Error Message - Details

• Message type: E = Error

• Message class: SDBALM - SAP DB and liveCache Alert Monitoring

• Message number: 033

• Message text: Optimizer statistics

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDBALM033 - Optimizer statistics ?

  The SAP error message SDBALM033 typically relates to issues with optimizer statistics in the SAP database. This message indicates that the optimizer statistics for a database object (like a table or index) are either missing, outdated, or not properly maintained. Optimizer statistics are crucial for the database's query optimizer to make informed decisions about the most efficient way to execute SQL queries.
  Cause:
  
  Outdated Statistics: The statistics may not have been updated after significant changes to the data, such as bulk inserts, deletes, or updates.
  Missing Statistics: Statistics may not have been generated for certain tables or indexes, especially if they were created recently.
  Database Configuration: The database may not be configured to automatically gather statistics.
  Manual Changes: Manual changes to the database schema or data can lead to discrepancies in the statistics.
  
  Solution:
  
  Update Statistics: Use the appropriate database commands to gather or update statistics for the affected tables or indexes. In SAP, you can use transaction codes like DBACOCKPIT or ST04 to monitor and manage database performance.
  
  For example, in Oracle, you might use:
  EXEC DBMS_STATS.GATHER_TABLE_STATS('schema_name', 'table_name');
  
  In SQL Server, you might use:
  UPDATE STATISTICS table_name;
  
  
  
  Schedule Regular Updates: Implement a regular maintenance schedule to update statistics automatically, especially after large data modifications.
  Check Database Configuration: Ensure that the database is configured to automatically gather statistics if supported.
  Use SAP Tools: Utilize SAP tools like the Database Performance Monitor to identify tables with missing or outdated statistics and take corrective actions.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ST03N (Workload Analysis), ST04 (Database Performance Analysis), and DBACOCKPIT (Database Administration Cockpit).
  Database Documentation: Refer to the documentation specific to your database (e.g., Oracle, SQL Server, HANA) for commands and best practices related to statistics management.
  SAP Notes: Check SAP Notes for any specific recommendations or patches related to optimizer statistics and performance issues.
  Performance Tuning: Regularly monitor and tune database performance to prevent issues related to optimizer statistics.
  
  By addressing the underlying causes and implementing a proactive maintenance strategy, you can resolve the SDBALM033 error and improve the overall performance of your SAP system.