![]() ![]() The rest of the installation should be fairly convenient. On the page it brings you to, select the most up-to-date version of PostgreSQL available for your OS. Visit the PostgreSQL download page and select your operating system from the options it gives you. Once in the terminal, type the command “postgres –version”, which will show you the version of PostgreSQL you’ve installed on your machine, or it’ll give you an error if you haven’t installed PostgreSQL. If you’re using a Mac, open the terminal. Finally, type in SELECT version() and hit enter, and if it displays the PostgreSQL version you’re using, that means that you have PostgreSQL installed: Hit enter four times, and it will automatically apply the credentials you set when you installed PostgreSQL. Type in SQL Shell and this will enable you to open SQL Shell. ![]() In the search bar in the bottom left-hand corner of your desktop: If you’re a Windows user, verify that PostgreSQL is installed by using SQL Shell. ![]() How do I know if I already have PostgreSQL installed? In other words, PostgreSQL is the actual database system, and pgAdmin is a tool that lets users use that system. PostgreSQL is a free-to-use relational database management system (DBMS) pgAdmin is a graphical user interface (GUI) tool that lets users interact with their PostgreSQL database(s). What’s the difference between PostgreSQL and pgAdmin? ![]()
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