Optimizing Queries over Partitioned Tables in MPP Systems #7
Labels
area/database-management-system
DBMS
status/unfinished
Status of reading the paper
topic/greenplum
Greenplum Database is an advanced, fully featured, open source data warehouse
topic/htap
Hybrid Transactional and Analytical Processing
topic/optimizer
DBMS optimizer
topic/partitioned-table
Partitioned table
分区消除对于带有分区表的查询计划的性能来说至关重要,但在 MPP 架构中存在一些挑战。本文提出了一种能够生成在查询运行时决定访问哪些分区的查询计划,避免扫描不需要扫描的分区。
PDF:OptimizingQueriesOverPartitionedTablesInMPPSystems.pdf
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