Connect psql -U postgres Create Db CREATE DATABASE my_test_db List Db \l Use Db \c my_test_db List Tables \d Alter Table ALTER TABLE table_name ADD COLUMN IF NOT EXISTS column_name INTEGER; ALTER TABLE table_name DROP COLUMN IF EXISTS column_name;
HAProxy
https://www.haproxy.com/documentation/haproxy-runtime-api/reference/set-weight/
http://www.haproxy.org/download/1.4/doc/configuration.txt
Scale
https://www.sql-easy.com/learn/how-to-scale-postgresql/
https://www.timescale.com/learn/guide-to-postgresql-scaling