How To Fix SMMSS_ALERTS062 - Single SQL statement run and fetch time of &1ms is very high

SAP Error Message - Details

• Message type: E = Error

• Message class: SMMSS_ALERTS - Message class for MSSQL rz20 messages

• Message number: 062

• Message text: Single SQL statement run and fetch time of &1ms is very high

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMMSS_ALERTS062 - Single SQL statement run and fetch time of &1ms is very high ?

  The SAP error message SMMSS_ALERTS062 indicates that a single SQL statement's execution and fetch time is unusually high, which can lead to performance issues in the system. This alert is part of the SAP monitoring tools that help identify performance bottlenecks in database operations.
  Cause:
  
  Inefficient SQL Queries: The SQL statement may not be optimized, leading to longer execution times.
  Database Locks: Other transactions may be locking the resources needed for the SQL statement, causing delays.
  Large Data Volume: The query may be processing a large amount of data, which can increase execution time.
  Missing Indexes: If the necessary indexes are not present, the database may have to perform full table scans.
  Database Configuration: Suboptimal database configuration settings can also lead to performance issues.
  Network Latency: If the database is remote, network issues can contribute to longer fetch times.
  
  Solution:
  
  Analyze the SQL Statement: Use tools like SQL trace (ST05) or SQL performance analysis to identify the execution plan and bottlenecks.
  Optimize the Query: Rewrite the SQL statement to make it more efficient. This may involve:
  
  Reducing the amount of data fetched.
  Using appropriate WHERE clauses to filter data.
  Avoiding SELECT * and specifying only the required columns.
  
  
  Add Indexes: If the analysis shows that missing indexes are causing slow performance, consider adding the necessary indexes to speed up the query.
  Check for Locks: Use transaction monitoring tools to check for locks that may be affecting the SQL execution. Resolve any locking issues.
  Database Tuning: Review and adjust database configuration settings for optimal performance.
  Monitor System Resources: Ensure that the database server has adequate resources (CPU, memory, disk I/O) to handle the workload.
  Review Application Logic: Sometimes, the application logic can lead to inefficient database calls. Review the application code to ensure it is making efficient use of database resources.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like ST04 (Database Performance Monitor) and ST05 (SQL Trace) to analyze performance issues.
  SAP Notes: Check SAP Notes for any known issues or patches related to performance problems.
  Performance Tuning Guides: Refer to SAP's performance tuning guides for best practices on optimizing SQL queries and database performance.
  Database-Specific Tools: If you are using a specific database (e.g., Oracle, SQL Server), utilize the database's performance monitoring tools to gain insights into query performance.
  
  By following these steps, you can identify the root cause of the high execution time for the SQL statement and implement the necessary changes to improve performance.