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SQL Anywhere 11.0.0 » SQL Anywhere Server - SQL Usage » Query Optimizer » Query optimization and execution » Query execution algorithms » Grouping algorithms


OrderedGroupBySets algorithm (GrByOSets)

A variant of OrderedGroupBy, OrderedGroupBySets is used when performing GROUPING SETS queries. This algorithm requires that the input be sorted by grouping columns. See OrderedGroupBy algorithm (GrByO).