Logical replication from Standbys

CREATE TABLE demo_table ; · select pg_create_logical_replication_slot; · psql dbname=postgres replication=

The logical replication stream is mostly a binary protocol But the actual column values are transmitted as text This means that when Postgres

postgresql create replication slot Each replication slot streams a sequence of changes from a single database, and each publication exists in only one database, so you need to create one or more

postgres create logical replication slot Improve WAL archiving and streaming replication using replication slots PostgreSQL and later come with a feature called “replication slots”