Conference Schedule - PGConf.EU 2019
How does HashJoin work in PostgreSQL and its derivates
Time: 12:50 - 13:40
HashJoin is one of the most important join implementation method, especially for OLAP databases. This talk covers how HashJoin works in PostgreSQL and its derivates like Greenplum, CitusDB. Consideration like memory limitation and MPP execution will be covered also.