PostgreSQL is one of the most popular relation database servers. Multiple versions can be installed on the same host, so being able to switch between them is pretty useful. Read on to find out how to do it. What is a Cluster APostgreSQL clusteris a collection of PostgreSQL databases with ...
When using rep_mode=sync, RA adds "include" into postgresql.conf to switch replication mode. If you want to switch to rep_mode=async from sync, you need to delete it manually. On the first node only, aspostgresuser modify thepg_hba.conffile, to control who has access to db instance:...
PostgreSQL as a Service (PGaaS) is a specific form of Database as a Service (DBaaS) that enables users to easily create, manage, and use Postgres databases in the cloud. Various cloud service providers offer PGaaS options, including AWS with RDS for Postgres, Microsoft's Azure Dat...
Important Switching to a corporate account is permanent. You will not be able to switch back to a personal account once the conversion to corporate is completed.Before you startLink to this anchorTo complete the actions presented below, you must have:A Scaleway account logged into the console ...
Learn how to find slow queries in PostgreSQL using logs and metrics. Tutorial on how to check for and fix performance issues to speed up your database.
Step 2 — Using PostgreSQL Roles and Databases By default, Postgres uses a concept known asrolesto handle authentication and authorization. These are, in some ways, similar to regular Unix-style accounts, but Postgres does not distinguish between users and groups and instead prefers the more flexi...
Step 3 — Using PostgreSQL Roles and Databases By default, Postgres uses a concept calledrolesto handle in authentication and authorization. These are, in some ways, similar to regular Unix-style accounts, but Postgres does not distinguish between users and groups and instead prefers the more flex...
3.Usually,PostgreSQLstarts automatically on boot up. You can confirm this using the command given below: $ sudo systemctl status postgresql Check PostgreSQL Status 4.To log in to yourPostgreSQLinstance, first switch to thepostgresuser. The Postgres user comes included by default with the installati...
Switch topostgresqluser. sudo su - postgres After switching to postgres user, we can connect usingpsqlcommand. To list all databases in PostgreSQL we can use\lcommand. To list all users in PostgreSQL we can use\ducommand. To exit frompsqlwe can use\qcommand. ...
How to backup several PostgreSQL databases at once Pg_dump can dump only one database at a time, and information about tablespaces or roles will not be included in that dump. It happens because those aren’t per-database but cluster-wide. There is apg_dumpallprogram that supports convenient...