This webinar was held on 26 February 2020 and give an overview on CREATE STATISTICS in PostgreSQL.
This command allows the database to collect multi-column statistics, helping the optimizer understand dependencies between columns, produce more accurate estimates, and better query plans.
The following key topics were covered during the webinar:
- Why CREATE STATISTICS is needed
- How the command helps the optimizer and in query planning
- Which cases CREATE STATISTICS addresses
- What improvements related to CREATE STATISTICS are in store for future PostgreSQL versions
Speaker: Tomas Vondra | Database Engineer at 2ndQuadrant
