Tomas is a database engineer/developer. He has contributed to the PostgreSQL project for a number of years, mostly as a database engineer/developer, and now also as a committer.
All Sessions by Tomas Vondra
July 2, 2019
CREATE STATISTICS - what is it for?
10:30 - 11:20
One of the new features in PostgreSQL 10 is the ability to create multi-column statistics, helping the optimizer understand dependencies between columns.
This talk will explain a bunch of important questions - why we need this capability at all, how it works, which cases it can address currently, and which improvements are in the queue for PostgreSQL 12.
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