PostgreSQL major version upgrade from 12.8 to 13.4 using pg_upgrade
PostgreSQL major version upgrade from 12.8 to 13.4 using pg_upgrade Current PostgreSQL version numbers consist of a major and a minor version number. For example, in version number 13.1, where 13 is the major version number and 1 is the minor version number. pg_upgrade is a utility to upgrade PostgreSQL Cluster to major version eg 10.7 to 11.2 or 12.1 to 13.4. pg_upgrade
