This is a tutorial for setting up PostgreSQL on MacOS. You might be wondering why there's a need for another setup guide for Postgres in the first place, since there are a few across the web. I found many tutorials and guides on how to set it up, but found most of them to be unclear and outdated, based on old PostgreSQL versions. The checklist is not comprehensive, though, as it is used for several tutorials on my website, I keep it updated with the recent versions of PostgreSQL. If you spot any flaws in this guide, a comment below would be very helpful to keep it up to date for other developers.

If you want to run PostgreSQL on Windows instead, you will find guidance over here: How to setup PostgreSQL on Windows.

PostgreSQL Installation on MacOS

I recommend Homebrew for installing and managing applications on MacOS. It is installed using the following command in the MacOS terminal:

The terminal runs through a series of installation operations, and will probably create folders in your local machine to accommodate Homebrews storage requirements. Keep awake mac app. You can find more detailed instructions here. After it's installed, update the Homebrew dependencies and install PostgreSQL on the command line:

Next, check your PostgreSQL version:

If you’re planning to run PostgreSQL on a Mac, it’s important to know how to install it properly. There are three common ways to install Postgres on a Mac: using Homebrew’s brew install command, downloading the DMG interactive installer for Postgres.app or using MacPorts. In this article, we’ll provide step-by-step instruction for all three of these methods, so you can.

The command line results will show the version you have installed on your local machine. I recommed using the latest version of libraries and software whenever possible to avoid compatibility issues with client-side applications.

How to create a physical PostgreSQL Database

Now you can initialize the physical space on your hard-disk to allocate databases. To do this, create a default postgres database on the command line in case it didn't happen automatically:

You will see the error message: 'initdb: directory '/usr/local/var/postgres' exists but is not empty' if the database was already created when you installed PostgreSQL. It means the folder where you are attempting to create a physical place for the database already has one. Either way, next you can move on to the next step.

When you connect to this physical database later, you will see an actual database which is called 'postgres' as well. The postgres database is meant to be the default database for any third-party tools that you are using in combination with PostgreSQL. These tools attempt to make the default connection to this default database, so you shouldn't delete it.

Postgres Cli Tools

How to start/stop a PostgreSQL Database

Let's see next how you can interact with the actual database. Manually start and stop your Postgres database server with the following commands:

The terminal will confirm these operations with 'server started' and 'server stopped' feedback. You could also implement a script to start the server each time you boot up the machine, but I like to have control over when to start and stop my database server to avoid complications.

How to create the actual PostgreSQL Database

Next, let's go through the steps of setting up a database that can be used for one of your applications. Make sure the Postgre server is started first, then type these commands in the command line to create and remove a database:

You can also connect to databases to execute SQL statements. Either use the psql command, or specify a database such as the default postgres database to connect:

The command leads you to the psql shell, which you can exit by typing CTRL + d. In the psql shell, you can create and drop databases as well:

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To list all your databases, you can type list. Your will see any new databases listed, as well as two default databases that come with postgreSQL called template0 and template1. The templates should remain in your database list even if you aren't using them, as they may be useful later.

• list - List all of your actual databases.
• c mydatabasename - Connect to another database.
• d - List the relations of your currently connected database.
• d mytablename - Shows information for a specific table.

You can get macOS PostgreSQL packages from several different sources.

Interactive installer by EDB

Download the installercertified by EDB for all supported PostgreSQL versions.

This installer includes the PostgreSQL server, pgAdmin; a graphical tool for managing and developingyour databases, and StackBuilder; a package manager that can be used to download and installadditional PostgreSQL tools and drivers. Stackbuilder includes management,integration, migration, replication, geospatial, connectors and other tools.

This installer can run in graphical, command line, or silent install modes.

The installer is designed to be a straightforward, fast way to get up and running withPostgreSQL on macOS.

Postgres For Mac

Advanced users can also download azip archiveof the binaries, without the installer.This download is intended for users who wish to include PostgreSQL as part of another application installer.

Platform support

Start Postgres Mac

The installers are tested by EDB on the following platforms. They will generally work on newer versions of macOS as well:

Postgres.app

Postgres.app is a simple, native macOS app that runs in the menubar without the need of an installer. Open the app, and you have a PostgreSQL serverready and awaiting new connections. Close the app, and the server shuts down.

Homebrew

PostgreSQL can also be installed on macOSusing Homebrew. Please see the Homebrewdocumentation for information on how to install packages.

A listof PostgreSQLpackages can be found using the Braumeister search tool.

MacPorts

PostgreSQL packages are also available for macOS from theMacPorts Project. Please see theMacPorts documentation for information on how to install ports.

A list ofPostgreSQL packagescan be found using the portfiles search tool on the MacPorts website.

Fink

PostgreSQL packages are available for macOS from theFink Project.Please see the Fink documentation for information on how to install packages.

A list ofPostgreSQL packagescan be found using the package search tool on the Fink website.