How to

6 Best Online SQL Playgrounds to Test Your Queries

Setting up an environment to practice SQL can be challenging for beginners. Even experienced programmers may want to run queries without setting up a database.


SQL online platforms are the best choice for this. It provides a development environment to run, manipulate, and test SQL queries. These free and interactive platforms provide development environments like that of a database. Here are the best online SQL playgrounds to run and test your SQL queries.

Running queries on SQL fiddle

SQL Fiddle is one of the best choices for practicing SQL queries. It has a user-friendly interface that makes it easier to run SQL queries and commands. The interface has panels that separate the workspace and the output. It’s best for running short queries.

First, you must build a schema for the internal database by clicking the Build Schema button on the left panel. Then, write and run your queries on the right panel.

You will see the output at the bottom of the left panel. If there are errors in your code, SQL Fiddle notifies you to edit the code and rerun it.

You can also expand the screens to a preferred size and use the query terminators provided. At the bottom of the screen, you can view the structure of the database schema.

You can run queries for various SQL databases, including Oracle, PostgreSQL, MySQL, and SQLite. You can pick a database by selecting it from the drop-down menu on the navigation bar.

Running queries on DB fiddle

You can use DB Fiddle to test your SQL queries. The playground provides SQLite, MySQL, and PostgreSQL databases to work with.

The interface is simple and easy to use. They have sample queries to show you how to use their workspace. The panels separate the working environments and a navigation bar.

You can create your own schemas and SQL database tables. Then, run the queries with the click of a button. The panel at the bottom of the page displays your results.

You can collaborate with others on the platform in real-time. You can also change your code into Markdown format and fork code from other repositories.

DB Fiddle is free, but you can pay for the pro version to access advanced features like SQL assessments.

You can access the interface without having to sign-up. But you must create an account if you need to save your work. You can convert your workspace into private mode if you want to keep your work private.

Running queries on DB FiddleUK

DB Fiddle UK provides a simple and easy-to-use interface to run your queries. They support 10+ relational databases, including MySQL, PostgreSQL, and MariaDB. You are free to choose the version of the DB engine you want to work with.

You can quickly create a workspace by clicking the add batch button on the left of the page (with a plus sign on it). Then, you can run as many queries as you want. DB Fiddle UK allows hiding private data or leaving it public.

You can change your data into Markdown format on the interface. Also, you can highlight important parts of your code using their highlighting tool.

You don’t need to sign-up for the platform to interact with it; you can start working on it immediately.

Running queries on SQLite online -1

SQLite Online provides a productive workspace for you to run SQL queries. You can work with three databases, namely MariaDB, PostgreSQL, and MySQL database engines. You can quickly write and run queries on the interface.

To work with a specific database, click on the database name provided on the left pane. SQLite Online will then open that workspace for you. If you have private data that you don’t wish to share with the public, you must sign up and save your work on the platform.

You can connect to your DB remotely and run queries in the workspace. You also have the option to connect to other online DBs.

SQLite Online allows you to import data sets to work with and equally export them as CSV, XML, JSON, or SQL schema format.

Paiza SQL workspace

Paiza provides a dynamic playground to run and test MySQL queries. It supports over 20 programming languages, including PHP, Rust, Python, and Elixir. For beginners, this is a great platform to learn MySQL concepts.

Pick the language you want to run your queries, and the website will provide the workspace for it. The MySQL section provides a database engine to create tables, insert and select data.

You can use the workspace without signing up. But if you need a work record, register and create an account on the platform. You can import code from GitHub and run it on Paiza.

Also, you can collaborate on projects with your team on the platform. You can keep your workspace private or public for others to access. Paiza also provides a cloud platform to create and host your applications.

Running queries on Programiz online editor

Programiz is a great platform to learn SQL interactively. The website provides everything you need to learn and practice SQL queries. As a beginner, you will learn from SQL basics to more advanced concepts while practicing on the interactive editor.

You don’t require prior knowledge; you can start learning from scratch. You can use the editor to create tables, insert new data, delete, and run other SQL operations.

Programiz tests your knowledge with sample data sets you can play with on the code editor. As a beginner, you can query the sample data code editor as you learn SQL.

The site has a comprehensive SQL course for which you can sign up and learn detailed SQL concepts. This site provides the guidance you need to begin your career as a database engineer.

How to Use Online SQL Playgrounds

Online SQL playgrounds are great platforms for learning and practicing SQL. These playgrounds might not fully replicate the complexity of real-world scenarios. But they give you an idea of how SQL works.

But you should be careful about the data you share on the platform. Don’t share any sensitive information that may be harmful if they get into the wrong hands. You should also set up a local instance and learn SQL concepts like string functions.

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