In memory Columnar Store for PostgreSQL (322_IMCS) 计算机科学

In-Memory Columnar Store for PostgreSQLHorizontal data representationSymbol Day Open High Low Close VolumeAAA 2014-04-27 10.11 10.25 10.08 10.15 125AAB 2014-04-27 40.33 40.50 40.20 40.45 70ABB 2014-04-27 25.04 27.13 25.04 26.64 908ADC 2014-04-27 108.06 110.76 105.03 110.45 745Vertical data representationSymbol Day Open High Low Close VolumeAAA 2014-04-27 10.11 10.25 10.08 10.15 125AAB 2014-04-27 40.33 40.50 40.20 40.45 70ABB 2014-04-27 25.04 27.13 25.04 26.64 908ADC 2014-04-27 108.06 110.76 1