How To Fix D3774 - Syntax error: SAMPLE can only be followed by COLUMN

SAP Error Message - Details

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 774

• Message text: Syntax error: SAMPLE can only be followed by COLUMN

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message D3774 - Syntax error: SAMPLE can only be followed by COLUMN ?

  The SAP error message D3774, which states "Syntax error: SAMPLE can only be followed by COLUMN," typically occurs in the context of SQL queries or ABAP code when using the SAMPLE clause incorrectly. This error indicates that the SAMPLE clause is being used in a way that is not supported by the SQL syntax.
  Cause:
  The error arises when the SAMPLE clause is used in a SQL statement without the appropriate syntax. In SAP HANA SQL, the SAMPLE clause is used to retrieve a random sample of rows from a table. The correct usage of the SAMPLE clause is to specify that it should be followed by the keyword COLUMN, which indicates that you want to sample rows based on a specific column.
  Example of Incorrect Usage:
  SELECT * FROM my_table SAMPLE 10;
  This would trigger the error because it does not specify a column after the SAMPLE keyword.
  Correct Usage:
  To resolve the error, you need to specify a column after the SAMPLE keyword. Here’s how you can do it correctly:
  SELECT * FROM my_table SAMPLE 10 COLUMN my_column;
  In this example, my_column should be replaced with the actual column name you want to use for sampling.
  Solution:
  
  Review the SQL Statement: Check the SQL statement where the error occurs and ensure that the SAMPLE clause is used correctly.
  Specify a Column: Modify the statement to include a column name after the SAMPLE keyword.
  Test the Query: After making the changes, test the query to ensure that it executes without errors.
  
  Related Information:
  
  Documentation: Refer to the SAP HANA SQL and System Views Reference for detailed information on the SAMPLE clause and its correct usage.
  SAP Notes: Check for any relevant SAP Notes or Knowledge Base Articles that might provide additional context or solutions related to this error.
  SQL Syntax: Familiarize yourself with the SQL syntax used in SAP HANA to avoid similar errors in the future.
  
  By following these steps, you should be able to resolve the D3774 error and successfully execute your SQL queries.