SELECT a.auditid,
       a.objectid, --(※)
       a.changedata
FROM   audit AS a
WHERE  a.objectidtype = 'xxx'
       AND a.objectid = '{guid}';

The result of executing this SQL is as follows:

• commented out (※):

• else: Column names are displayed correctly

Environment

• SQL 4 CDS edition: XrmToolBox
• Results of SELECT @@VERSION:

Microsoft Dataverse - 9.2.25021.188
   SQL 4 CDS - 9.6.0.0
   2 23 2025 06:26:13
   Copyright © 2020 - 2024 Mark Carrington