PostgreSQL’s logical decoding feature was introduced in version 9.4. It is a mechanism that allows the extraction of the changes that were committed to the transaction log and the processing of these changes in a user-friendly manner with the help of an output plug-in. The output plug-in enables clients to consume the changes.| debezium.io
Chapter 29. Logical Replication Table of Contents 29.1. Publication 29.2. Subscription 29.2.1. Replication Slot Management 29.2.2. Examples: Set Up Logical Replication 29.2.3. …| PostgreSQL Documentation