- #Install and configure postgresql ubuntu 20.04 how to#
- #Install and configure postgresql ubuntu 20.04 install#
- #Install and configure postgresql ubuntu 20.04 software#
#Install and configure postgresql ubuntu 20.04 install#
In this step, you will create the directory for the node application and install node-postgres using npm. Step 1 - Setting Up the Project Directory Read through our Understanding the Event Loop, Callbacks, Promises, and Async/Await in JavaScript tutorial to learn the basics.
#Install and configure postgresql ubuntu 20.04 how to#
Follow the guide How To Install and Use PostgreSQL on Ubuntu 20.04 to install PostgreSQL on Ubuntu.īasic knowledge of how to write queries in PostgreSQL, see An Introduction to Queries in PostgreSQL for more details.īasics on how to write a Node.js program, see How To Write and Run Your First Program in Node.js.īasic understanding of how to write asynchronous functions in JavaScript. If you don’t have Node.js installed, follow How To Install Node.js on Ubuntu 20.04. Follow our tutorial Initial Server Setup with Ubuntu 20.04 to setup your server. To complete this tutorial, you will need:Ī non-root user account with sudo privileges and a firewall enabled on Ubuntu 20.04. Afterwards, you will use node-postgres to insert, retrieve, and modify data in the PostgreSQL database. You will then connect your application to the Postgres database using the node-postgres module. First, you’ll create a database user and the database in Postgres. In this tutorial, you’ll use node-postgres to connect and query the PostgreSQL (Postgres in short) database. Using node-postgres, you will be able to write Node.js programs that can access and store data in a PostgreSQL database. One of those tools is node-postgres, which contains modules that allow Node.js to interface with the PostgreSQL database. The Node.js ecosystem provides a set of tools for interfacing with databases. However, there is much more to learn with Postgres.The author selected Society of Women Engineers to receive a donation as part of the Write for DOnations program. You are learned how to set up PostgreSQL on your Ubuntu 20.04 LTS server. – Insert records into a a table by typing the below command: # INSERT INTO employees VALUES ('Lotfi','waderni') Conclusion # create table employees (name varchar(25), surname varchar(25)) – Create a table in the selected PosgreSQL database: – Sot to create a Database in PosgreSQL use the below command: – List all the tables in the selected PosgreSQL database: # \d – Connect to a database: # \c database_name – List all the PosgreSQL databases by running the following command:
– Switch into the postgres user: $ su – postgres $ sudo -u postgres psql -c "SELECT version() "
Sudo apt install postgresql postgresql-contribĠ3- Once the installation is done, use the below command to Start/Enable PostgreSQL:Ġ4- Use the psql tool to verify the installation is finished properly, by connecting to the PostgreSQL database server and printing the version:
#Install and configure postgresql ubuntu 20.04 software#
PostgreSQL is available from Ubuntu’s default software repositories, So, use the below command to check the available versions to install:Ġ2- Run the following commands to install PostgreSQL server on Ubuntu: In this guide, we will explain how to install the PostgreSQL database server on Ubuntu 20.04 server, and explore the basics of PostgreSQL database administration. PostgreSQL or Postgres is an open-source general-purpose object-relational database management system with many advanced features that allows you to build fault-tolerant environments or complex applications.
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