Is there a way to upgrade PostgreSQL natively?
With PostgreSQL, this used to be impossible in a native way. To accomplish upgrades you needed to think of other ways of upgrading, such as using pg_upgrade, dumping and restoring, or using some third party tools like Slony or Bucardo, all of them having their own caveats. This is because of the way that PostgreSQL used to implement replication.
Do you take a backup in PostgreSQL 11?
As the schema is not replicated, you must take a backup in PostgreSQL 11 and restore it in your PostgreSQL 12. The backup will only be taken for the schema, since the information will be replicated in the initial transfer. ? ?
How does streaming replication work in PostgreSQL server?
PostgreSQL streaming replication (the common PostgreSQL replication) is a physical replication that replicates the changes on a byte-by-byte level, creating an identical copy of the database in another server.
How does logical replication work in PostgreSQL 11?
PostgreSQL Logical Replication Logical replication is a method of replicating data objects and their changes, based upon their replication identity (usually a primary key). It is based on a publish and subscribe mode, where one or more subscribers subscribe to one or more publications on a publisher node.
How to upgrade Azure database to PostgreSQL single server?
You can upgrade your PostgreSQL server deployed in Azure Database for PostgreSQL – Single Server by migrating your databases to a higher major version server using following methods. Offline method using PostgreSQL pg_dump and pg_restore which incurs downtime for migrating the data. This document addresses this method of upgrade/migration.
How to perform dump and restore in PostgreSQL?
PostgreSQL dump and restore can be performed in many ways. You may choose to migrate using one of the methods provided in this guide or choose any alternate ways to suit your needs. For detailed dump and restore syntax with additional parameters, see the articles pg_dump and pg_restore. To step through this how-to-guide, you need: