How To Fix SDDL_PARSER_MSG090 - Use of Union and Union All in one view is too unspecific

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 090

• Message text: Use of Union and Union All in one view is too unspecific

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG090 - Use of Union and Union All in one view is too unspecific ?

  The SAP error message SDDL_PARSER_MSG090 indicates that there is an issue with the use of both UNION and UNION ALL in a single view definition. This error typically arises when you are trying to create a view that combines multiple result sets using these two SQL operations in a way that is not allowed or is ambiguous.
  
  Cause:
  
  Ambiguous Use of UNION and UNION ALL: The error occurs when both UNION (which removes duplicate rows) and UNION ALL (which includes all rows, including duplicates) are used together in a way that the SQL parser cannot resolve the intent.
  Complexity in View Definition: The complexity of the SQL statement may lead to confusion in how the data is being combined, especially if the structure of the queries involved is not clear.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the SQL Statement: Check the SQL view definition for the use of UNION and