Explanation: Box 1: Round-robin Round-robin tables are useful for improving loading speed. Scenario: Partition data that contains sales transaction records. Partitions must be designed to provide efficient loads by month. Box 2: Hash Hash-distributed tables improve query performance on large fact tables. Reference: https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-tables-distribute