How To Fix SDBALM098 - Type of last update of optimizer statistics

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 098

• Message text: Type of last update of optimizer statistics

Alerts
<ZH>Green:</>
The last update of the Optimizer statistics was "Unconditional", or
The last update of the Optimizer statistics was "Conditional", and the
associated check ran at most two days previously
<ZH>Yellow:</>
The last update of the Optimizer statistics was "Conditional", and the
associated check ran at least three but not more than four days
previously
<ZH>Red:</>
The last update of the Optimizer statistics was "Conditional", and the
associated check ran at least five days previously, or
No update of the Optimizer statistics has run in the last three months
Data Collector
<ZH>Collector B</>
(RZ20 -> SAP CCMS Technical Experts Monitors -> All Monitoring Contexts
,,-> <Name of the database connection> -> Collectors and Internals ->
Collectors -> Collector B)

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Preset runtime interval of Collector B: 15 minutes

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDBALM098 - Type of last update of optimizer statistics ?

  The SAP error message SDBALM098 typically relates to issues with the optimizer statistics in the database. This message indicates that there is a problem with the type of the last update of the optimizer statistics, which can affect the performance of database queries and overall system efficiency.
  Cause:
  The error can be caused by several factors, including:
  
  Outdated Statistics: The optimizer statistics for database tables may be outdated or not updated regularly, leading to inefficient query plans.
  Inconsistent Statistics: There may be inconsistencies in the statistics due to changes in the data or schema that have not been reflected in the statistics.
  Database Configuration: Incorrect database configuration settings can lead to issues with how statistics are collected and updated.
  Manual Interventions: Manual changes to the database or statistics that do not follow the standard procedures can also lead to this error.
  
  Solution:
  To resolve the SDBALM098 error, you can take the following steps:
  
  
  Update Optimizer Statistics:
  
  Use the transaction code DBACOCKPIT or ST04 to access the database performance monitoring tools.
  Run the statistics update for the affected tables. This can often be done using the SQL command UPDATE STATISTICS or through the SAP GUI.
  In some cases, you may need to use the transaction DB02 to analyze the database and update statistics.
  
  
  
  Check for Inconsistencies:
  
  Use the transaction DB02 to check for any inconsistencies in the database statistics.
  If inconsistencies are found, you may need to re-generate the statistics for the affected tables.
  
  
  
  Review Database Configuration:
  
  Ensure that the database configuration settings for statistics collection are correctly set. This may involve checking parameters related to automatic statistics updates.
  
  
  
  Monitor and Schedule Regular Updates:
  
  Implement a regular schedule for updating optimizer statistics to prevent this issue from recurring. This can be done through background jobs in SAP.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or notes related to your specific database (e.g., HANA, Oracle, SQL Server) for any additional steps or considerations.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or specific fixes related to this error.
  Database Documentation: Review the documentation for your specific database system to understand how it handles optimizer statistics and any best practices for maintenance.
  Performance Monitoring: Regularly monitor database performance and query execution plans to identify any potential issues early.
  
  By following these steps, you should be able to resolve the SDBALM098 error and improve the performance of your SAP system.