Set up an environment in which practicing SQL isn’t easy for novices. Even experienced programmers might wish to perform queries without creating the database.
SQL online playgrounds are the most suitable option for this. They offer a development platform for running, manipulating, and even testing SQL queries. These platforms are free and interactive and offer development environments similar to that of databases. These are the best online SQL playgrounds that let you test your SQL queries.
Top Online SQL Playgrounds to Test Your Queries
1. SQL Fiddle
SQL Fiddle is among the most effective options for practicing SQL queries. It features an intuitive interface that makes it easy to execute SQL commands and queries. The interface features panels that divide the workspace and output. It is ideal for short queries.
The first step is to create an internal schema database by using the Create Schema button in the left-hand panel. After that, you can write and execute your queries on the right-hand panel.
The output will be displayed on the bottom of the panel to your left. If there are any errors in your program, SQL Fiddle notifies you to modify the code and run it again.
It is also possible to expand the screens to a desired size and make use of the query terminators available. On the bottom of the screen, you’ll be able to examine the database’s structure schema.
It is possible to run queries on several SQL databases, such as Oracle, PostgreSQL, MySQL as well as SQLite. You can select one of the databases by choosing it from the drop-down menu in the bar navigation.
Also read: Mastering SQL Statements for Effective Database Management
2. DB Fiddle
You can make use of DB Fiddle to test your SQL queries. The playground offers SQLite, MySQL, and PostgreSQL databases to work with.
The interface is easy and user-friendly. There are sample queries that demonstrate how to use their workspace. The panels are divided into workspaces and also a navigation bar.
You can build custom schemas and SQL database tables. You can then perform the queries by pressing an icon. The bottom panel of the page shows the results.
It is possible to collaborate with other users using the service in real-time. You can also modify your code to Markdown format, and then fork it to other repositories.
DB Fiddle is completely free However, you can opt to buy the premium version to gain access to more advanced features such as SQL assessments.
It is possible to access the interface without registering. You must however sign up for an account if you require saving your work. You can also convert your workspace to a private setting if prefer to protect your work.
3. DB Fiddle UK
DB Fiddle UK provides a simple and user-friendly interface to execute your queries. It supports a variety of relational databases including MySQL, PostgreSQL, and MariaDB. You can choose which version of the DB engine you wish to use.
You can easily create a workspace by pressing the Add Batch button located on the left-hand side of the page (with the plus symbol on it). You can then perform any number of queries you’d like. DB Fiddle UK allows hiding private data or leaving it publicly accessible.
You can transform your data to Markdown format via the interface. You can also highlight key parts of your code with their highlighter tool.
There is no need to sign up for the platform to connect with it. You can begin working on it right away.
4. SQLite Online
SQLite Online provides a productive workspace to execute SQL queries. It can be used using three databases, including MariaDB, PostgreSQL, and MySQL databases engines. You can write quickly and execute queries using the interface.
To work on a particular database, simply click the name of the database that appears on the left side of the. SQLite Online will then open the workspace you need. If you’ve got private information that you don’t want to make available to the public then you need to register to save the work to the platform.
Connect with your DB remotely and execute queries within the workspace. There is also the option for connecting with other web-based DBs.
SQLite Online allows you to import data sets that you can work with, and also export them in CSV, XML, JSON, or SQL schema format.
Paiza provides a fun and dynamic platform for testing and running MySQL queries. It is compatible with more than 20 languages of programming which include PHP, Rust, Python, and Elixir. For novices, it is an excellent platform to get started with MySQL fundamentals.
Choose the language in which you would like to use to execute your queries and the site will offer the appropriate workspace. The MySQL section offers the database engine that allows you to create databases, and add and choose data.
The workspace is accessible without having to sign up. However, if you are required to keep a record of your work, you must sign up and then create an account on Paiza. You can download the code you have downloaded from GitHub and run it through Paiza.
You can also work on your projects together with your team members on the platform. Your workspace can be accessible to others or make it public for them to access. Paiza also offers an online platform for you to develop and host your apps.
Also read: Automating SQL Server Database Migration for DevOps Implementation
Programiz is an excellent tool for studying SQL interactively. The site provides everything you require to understand and test SQL queries. For those who are just beginning you’ll be taught SQL basic concepts up to advanced techniques working on an interactive editing tool.
It’s not necessary to have any prior experience; you can begin learning from the beginning. The editor can be used in order to build tables. add new data, remove, and perform other SQL operations.
Programiz tests your knowledge using examples of data sets that you can play around with in the editor for code. If you are a beginner user, you can access the data editor sample as you begin to master SQL.
The website offers a thorough SQL course in which you can register and master the in-depth SQL concepts. The site offers the direction that you require to start the journey to a career as an engineer in databases.
Final Word — Use to Online SQL Playgrounds
These online SQL playgrounds are fantastic opportunities to practice and learn SQL. They may not be able to recreate the complexity of real-world situations. However, they can provide a glimpse of the way SQL operates.
But be aware of sharing personal information through the app. Don’t divulge any sensitive information that could cause harm if it falls into improper hands. It is also recommended to create an account locally and master SQL concepts such as string functions.