https://learn.microsoft.com/en-gb/sql/t-sql/database-console-commands/dbcc-shrinklog-azure-sql-data-warehouse?view=aps-pdw-2016-au7&viewFallbackFrom=sql-server-ver17
DBCC SHRINKLOG - Analytics Platform System (PDW) - SQL Server | Microsoft Learn
DBCC SHRINKLOG reduces the size of the transaction log across the appliance for the current Analytics Platform System (PDW) database.
analytics platformsql serverdbccsystempdw