How To Fix DDLS152 - Select * and joins cannot be combined

DDLS152 - Overview

• Message type: E = Error

• Message class: DDLS - For DDL source handling

• Message number: 152

• Message text: Select * and joins cannot be combined

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS152 - Select * and joins cannot be combined ?

  The SAP error message DDLS152 indicates that there is an issue with a SQL statement where a SELECT * is being combined with a JOIN operation. This is not allowed in certain contexts within SAP's database layer, particularly when using the Data Definition Language (DDL) or when working with certain database systems that SAP supports.
  
  Cause:
  The error occurs because the SQL syntax used is not compliant with the rules of the database or the specific SQL dialect that SAP is using. Specifically, the use of SELECT * (which selects all columns from a table) in conjunction with a JOIN operation can lead to ambiguity or inefficiencies, which is why it is restricted.
  
  Solution:
  To resolve this error, you should modify your SQL query to explicitly specify the columns you want to select instead of using SELECT *. Here’s how you can do it:
  
  
  Identify the Tables and Columns: Determine which tables you are joining