Hi @filipniziol , thank you for your quick response. Not executing the alter statement against the DLT table directly and instead adjusting the pipeline configuration approach makes sense. 

Regarding the liquid clustering on the DLT tables, I assume if we set the "Channel" setting to "Preview", it would enable us to apply "ALTER STATEMENT" against DLT tables perhaps or any thoughts on how we can apply liquid clustering on the existing DLT Table alternatively?

My goal is to avoid performing refresh on DLT tables since it will require huge amounts of data writes.