How To Fix RSMSS_ANALYZER_MSG061 - Clustered indexes cannot have include columns

SAP Error Message - Details

• Message type: E = Error

• Message class: RSMSS_ANALYZER_MSG - Messages for RSMSS_ANALYZER

• Message number: 061

• Message text: Clustered indexes cannot have include columns

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSMSS_ANALYZER_MSG061 - Clustered indexes cannot have include columns ?

  The SAP error message RSMSS_ANALYZER_MSG061 indicates that there is an issue with the definition of a clustered index in your SQL Server database. Specifically, the error states that "Clustered indexes cannot have include columns." This means that you are trying to create or modify a clustered index with included columns, which is not allowed in SQL Server.
  Cause:
  In SQL Server, a clustered index determines the physical order of data in a table. It can only consist of key columns, and it does not support included columns. Included columns are only allowed in non-clustered indexes. The error typically arises when:
  
  You are trying to create a clustered index with included columns.
  There is a misunderstanding of how to define indexes in SQL Server.
  
  Solution:
  To resolve this error, you need to modify the index definition. Here are the steps you can take:
  
  
  Review the Index Definition: Check the SQL statement or the index definition that is causing the error. Look for any included columns in the clustered index definition.
  
  
  Remove Included Columns: If you find included columns in the clustered index, you need to remove them. The clustered index should only include key columns.
  
  
  Create a Non-Clustered Index: If you need to use included columns, consider creating a non-clustered index instead. Non-clustered indexes can have included columns.
  Example of creating a non-clustered index with included columns:
  CREATE NONCLUSTERED INDEX idx_example
  ON your_table (key_column)
  INCLUDE (included_column1, included_column2);
  
  
  Recreate the Clustered Index: If you need to recreate the clustered index without included columns, you can do so with a statement like:
  CREATE CLUSTERED INDEX idx_clustered_example
  ON your_table (key_column1, key_column2);
  
  
  Related Information:
  
  Clustered Index: A clustered index sorts and stores the data rows in the table based on the key values. There can be only one clustered index per table.
  Non-Clustered Index: A non-clustered index is a separate structure from the data rows. It can have included columns, which are not part of the key but can be used to cover queries.
  SQL Server Documentation: For more detailed information, refer to the official Microsoft SQL Server documentation on indexes, which provides guidelines on how to create and manage both clustered and non-clustered indexes.
  
  By following these steps, you should be able to resolve the error and properly define your indexes in SQL Server.