How does Azure Synapse Pathway assist in migrating on-premises data warehouses to Azure Synapse Analytics? Azure Synapse Pathway is a powerful tool provided by Microsoft to assist organizations in migrating their on-premises data warehouses to Azure Synapse Analytics. Formerly known as SQL Data Warehouse, Azure Synapse Analytics is a cloud-based analytics service that combines big data and data warehousing into a single unified platform. Azure Synapse Pathway simplifies and accelerates the migration process by automating many of the steps required to move your data and database objects to Azure Synapse Analytics.