Author: Chao Li

Partitioned tables are a core PostgreSQL feature, but one area still causes regular confusion—even for experienced users: How exactly does ALTER TABLE behave when partitions are involved? Does an operation propagate to partitions? Does it affect future partitions? Does ONLY

A hash join is one of the most common join methods used by PostgreSQL and other relational databases. It works by building a hash table from the smaller input (called the build side) and then probing it with rows from

PostgreSQL and GB18030-2022 Support PostgreSQL supports GB18030 as a client-side encoding. A client-side encoding means you can set the encoding from a client application such as psql with: psql=# set client_encoding to GB18030 This tells the PostgreSQL backend that the