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Installing Postgresql on MacOS

PostgreSQL, often known as Postgres, is an open-source relational database management system that emphasizes extensibility and SQL compliance. This tutorial will guide you through the process of installing PostgreSQL on your MacOS system.

Prerequisites​

Before we begin, ensure that you have administrative access to your MacOS system. This is crucial as the installation process of PostgreSQL requires certain elevated permissions.

Step 1: Download PostgreSQL​

Firstly, you would need to download the PostgreSQL package for MacOS. Visit the official PostgreSQL website and download the interactive installer for MacOS. Here is the link to the official page:

PostgreSQL Downloads

Step 2: Install PostgreSQL​

Once the download is complete, follow these steps to install PostgreSQL:

  1. Open the downloaded file. It should have a .dmg extension. This will open a window showing the PostgreSQL installer.

  2. Double-click on the PostgreSQL installer icon. This will open the installation wizard.

  3. Follow the prompts in the installation wizard. The default options are sufficient for a basic installation.

  4. At the end of the installation process, you should see a message stating that PostgreSQL has been installed on your machine.

Step 3: Verify the Installation​

To verify that PostgreSQL was successfully installed, open a terminal window and type the following command:

psql --version

You should see output similar to the following, which shows the installed version of PostgreSQL:

psql (PostgreSQL) 13.2

Step 4: Accessing PostgreSQL​

You can access the PostgreSQL database using the psql command-line interface. To do this, open a terminal window and type the following command:

psql postgres

This command will open the PostgreSQL command-line interface, where you can run SQL commands and manage your databases.

Conclusion​

Congratulations! You have successfully installed PostgreSQL on your MacOS system. You can now start creating databases, tables, and running SQL queries. Remember, the best way to learn is by doing. So, don't hesitate to explore the different features and functionalities that PostgreSQL offers.

In the next tutorial, we'll discuss how to create your first database and table in PostgreSQL. Stay tuned!