How To Fix DDLS326 - select * cannot be combined with 'group by'

DDLS326 - Overview

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 326

• Message text: select * cannot be combined with 'group by'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS326 - select * cannot be combined with 'group by' ?

  The SAP error message DDLS326 indicates that there is an issue with a SQL query that attempts to use SELECT * in combination with a GROUP BY clause. In SQL, when you use GROUP BY, you need to specify the columns that you want to aggregate or group by, and using SELECT * is not allowed because it does not specify how to handle the other columns that are not included in the GROUP BY clause.
  Cause
  The error occurs because:
  
  The SQL statement is trying to select all columns (SELECT *) while also grouping the results by one or more columns.
  SQL requires that all columns in the SELECT list must either be included in the GROUP BY clause or be used in an aggregate function (like SUM, COUNT, AVG, etc.).
  
  Solution
  To resolve this error, you need to modify your SQL query. Here are the steps you can take:
  
  
  Specify Columns: Instead of using SELECT