If your application is using Snowflake as an external database, then Mendix will not automatically create or update the Snowflake schema when you deploy the application.
Typically, the required database objects (tables, views, stored procedures, etc.) need to be created in the UAT Snowflake environment before the Mendix application connects to it. After that, you only need to update the connection details (such as database, schema, warehouse, and credentials) in your Mendix environment.
Could you clarify whether you're trying to:
That will help determine the next steps.
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