Address the complexity of migrating tens of TB data from existing on-premise relational data warehouse (e.g. Netezza, Oracle, Teradata, SQL server) to Azure (e.g. Blob Storage or Azure Data Lake Storage) using Azure Data Factory. The challenges and best practices are illustrated around resilience, performance, scalability, management and security for the big data ingestion journey to Azure by Azure Data Factory. The customers can further apply Azure advanced analytics capabilities against the data which has been loaded in Azure to build your new modern data warehouse.