Category: Postgresql

Connect to the Database To create a new database table using the SQL Shell, make sure you are connected to the database. If not, follow the steps in the Get Started chapter of this tutorial. Once you are connected, you are ready to write SQL statements! Create Table The following SQL statement will create a table named cars in…

Connect to the Database In the previous chapter we learned how to connect to the database using the SQL Shell (psql) application, which is a command-based application that allows us to interact with the PostgreSQL database. There is another application that comes built-int with the PostgreSQL installation, the pgAdmin 4 application, which also offers to…

Connect to the Database If you have followed the steps from the Install PostgreSQL page, you now have a PostgreSQL database on you computer. There are several ways to connect to the database, we will look at two ways in this tutorial: Both of them comes with the installation of PostgreSQL SQL Shell (psql) SQL Shell (psql)…

Download PostgreSQL To install PostgreSQL locally on your computer, visit the installer by EDB, and download the newest version compatible with your operating system. I will choose the newest Windows version: Start the Install When the downloading is complete, double click the downloaded file and start the installation: Specify Directory You can specify the location of…

What is PostgreSQL? PostgreSQL is an free open-source database system that supports both relational (SQL) and non-relational (JSON) queries. PostgreSQL is a back-end database for dynamic websites and web applications. PostgreSQL supports the most important programming languages: PostgreSQL supports basically all features that other database management systems support. PostgreSQL History PostgreSQL was invented at the…

Learning by Doing In this tutorial you get a step by step guide on how to install and create a PostgreSQL database. You will learn how to create a project where you can create, read, update, and delete data. You will learn how to query, filter, and sort data from the database. Examples in Each…