How To Fix SDDL_PARSER_MSG198 - select * is not allowed

SDDL_PARSER_MSG198 - Overview

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 198

• Message text: select * is not allowed

Self-Explanatory Message

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SDDL_PARSER_MSG198 - Details

• The SAP error message SDDL_PARSER_MSG198 with the description "SELECT  is not allowed" typically occurs in the context of SAP's Data Services or when working with SQL queries in SAP systems. This error indicates that the use of the `SELECT ` statement is not permitted due to performance and security reasons.
  
  Cause:
  
  Performance Issues: Using SELECT * retrieves all columns from a table, which can lead to performance degradation, especially if the table has many columns or if the query is executed frequently.
  Security Concerns: Allowing SELECT * can expose sensitive data inadvertently, as it retrieves all columns, including those that may not be necessary for the operation.
  Best Practices: Many database systems and applications enforce best practices that recommend specifying only the required columns in a query.
  
  
  Solution:
  To resolve this error, you should modify your SQL query to explicitly specify the columns you need instead of using SELECT *. Here’s how you can do