Cloud SQL for PostgreSQL features

Stay organized with collections Save and categorize content based on your preferences.
This page describes the major features and capabilities of Cloud SQL. Cloud SQL is also available for MySQL and SQL Server.

Cloud SQL for PostgreSQL


  • Fully managed PostgreSQL databases in the cloud.
  • Custom machine types with up to 624 GB of RAM and 96 CPUs.
  • Up to 64 TB of storage available, with the ability to automatically increase storage size as needed.
  • Create and manage instances in the Google Cloud console.
  • Instances available in the Americas, EU, Asia, and Australia. See all locations.
  • Supports migration from source databases to Cloud SQL destination databases using Database Migration Service (DMS).
  • Customer data encrypted on Google's internal networks and in database tables, temporary files, and backups.
  • Support for secure external connections with the Cloud SQL Auth proxy or with the SSL/TLS protocol.
  • Data replication between multiple zones with automatic failover.
  • Import and export databases using SQL dump files.
  • Support for PostgreSQL client-server protocol and standard PostgreSQL connectors.
  • Automated and on-demand backups and point-in-time recovery.
  • Instance cloning.
  • Integration with Google Cloud's operations suite logging and monitoring.
  • Support for multiple PostgreSQL versions.
  • Logical replication

Supported extensions

Cloud SQL for PostgreSQL supports many PostgreSQL extensions. For a complete list, see PostgreSQL Extensions.

Supported procedural languages

Cloud SQL for PostgreSQL supports the PL/pgSQL SQL procedural language.

Supported languages

You can use Cloud SQL for PostgreSQL with App Engine applications running in the flexible environment that are written in C#, Go, Java, Node.js, PHP, Python, and Ruby. You can also use Cloud SQL for PostgreSQL with external applications using the standard PostgreSQL client-server protocol.

How you can connect to Cloud SQL for PostgreSQL instances

You can connect to a Cloud SQL instance for PostgreSQL from:

Connecting to Cloud SQL by using Private Google access is not supported.

Differences between Cloud SQL and standard PostgreSQL functionality

In general, the PostgreSQL functionality provided by a Cloud SQL instance is the same as the functionality provided by a locally-hosted PostgreSQL instance. However, there are a few differences between a standard PostgreSQL instance and a Cloud SQL for PostgreSQL instance.

Unsupported features

  • Any features that require SUPERUSER privileges

    An exception to this rule is made for the CREATE EXTENSION statement, but only for supported extensions.

  • Custom background workers

  • The psql client in Cloud Shell does not support operations that require a reconnection, such as connecting to a different database using the \c command.

  • Low-Level Virtual Machine (LLVM) Just-in-Time (JIT) compilation.

Notable differences