Query processing Optimized for select-project-aggregate
{"Image DocumentName": "Query processing Optimized for select-project-aggregate", "Image ImageDescription": "Very common class of interactive queries. Single scan. Within-record and cross-record aggregation. Approximations: count(distinct), top-k. Joins, temp tables, UDFs/TVFs, etc.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}