Comparison of Partitioning Techniques (Cont.) Round robin: Advantages Best suited for sequential scan of entire relation on each query. All disks have almost an equal number of tuples;retrieval work is thus well balanced between disks. Range queries are difficult to process No clustering--tuples are scattered across all disks Database System Concepts-5th Edition,Aug 22,2005. 21.8 @Silberschatz,Korth and SudarshanDatabase System Concepts - 5 21.8 ©Silberschatz, Korth and Sudarshan th Edition, Aug 22, 2005. Comparison of Partitioning Techniques (Cont.) Round robin: Advantages Best suited for sequential scan of entire relation on each query. All disks have almost an equal number of tuples; retrieval work is thus well balanced between disks. Range queries are difficult to process No clustering -- tuples are scattered across all disks