1
Also covers sql · same kind of website · free
Select Star SQL is an interactive book that teaches SQL by running queries against a real-world dataset.
Alternatives
The Best SQL PD Alternatives in 2026
24 alternatives4 free · 3 open source
Looking for something like SQL PD? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 4 are free or have a free plan and 3 are open source.
SQL Police Department teaches SQL through online crime-solving missions that require building queries and reviewing results.
Top picks at a glance
First suggestionStarSQLSelect Star SQL is an interactive book that teaches SQL by…Open source optionRegexLearnRegexLearn teaches regular expressions through interactive…Another optionLearn SQLSQLBolt offers interactive SQL lessons and exercises for…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | StarSQL | Free | Not stated | Web |
| 2 | Learn SQL | — | Not stated | Web |
| 3 | Codelabs | — | Not stated | Android, iOS, Web |
| 4 | SQL Noir | — | Not stated | Web |
| 5 | Hacksplaining | Freemium | Not stated | Web |
| 6 | Lost at SQL | — | Not stated | Web |
| 7 | SQL Easy | — | Not stated | Web |
| 8 | CodeAnalogies | — | Not stated | Web |
| 9 | RegexLearn | Free | Yes | Web |
| 10 | Codepip | — | Not stated | Web |
All SQL PD alternatives
2
Learn SQL
sqlbolt.comAlso covers sql · same kind of website
SQLBolt offers interactive SQL lessons and exercises for learning database queries.
3
Also covers sql · same kind of website
Google Codelabs provides guided, hands-on tutorials for building applications and adding features across developer technologies.
4
SQL Noir
sqlnoir.comAlso covers game and sql · same kind of website
SQL Noir teaches SQL through an interactive detective game where players query a database to investigate cases.
5
Also covers sql · same kind of website · free plan
Hacksplaining teaches secure coding through interactive browser lessons covering OWASP Top 10 and GenAI threats.
6
Lost at SQL
lost-at-sql.therobinlord.comAlso covers game and sql · same kind of website
Lost at SQL teaches SQL concepts through a text-based game designed for data scientists and marketers.
7
SQL Easy
sql-easy.comAlso covers sql · same kind of website
SQL Easy teaches SQL through 31 interactive browser exercises using SQLite, with hints and practice in common query clauses.
8
CodeAnalogies
codeanalogies.comAlso covers sql · same kind of website
CodeAnalogies teaches CSS and JavaScript concepts through visual guides, analogies, and imagery.
9
Also covers sql · open source · free
RegexLearn teaches regular expressions through interactive lessons and practice at different levels.
10
Codepip
codepip.com/gamesAlso covers game and sql · same kind of website
Codepip offers coding games for practicing HTML, CSS, JavaScript, and SQL, including Flexbox Froggy and Grid Garden.
11
Sourcecodester
sourcecodester.comAlso covers sql · same kind of website
Sourcecodester publishes free source code projects and tutorials in programming languages including Python, PHP, and Java.
12
Programiz
programiz.comAlso covers sql · same kind of website
Programiz offers free online compilers and code editors alongside programming tutorials for languages including Python, JavaScript, SQL, and C++.
13
Mage
mage.aiAlso covers sql · same kind of website
Mage automates production data pipelines with SQL and Python workflows, data-quality checks, failure recovery, and performance tuning.
14
TutorialKart
tutorialkart.comAlso covers sql · same kind of website
TutorialKart collects online courses, learning materials, and interview questions across programming, databases, SAP, and other subjects.
15
CS50
cs50.harvard.edu/pythonAlso covers sql · same kind of website
CS50’s Python course introduces programming with Python, covering code reading and writing, testing, debugging, and core concepts.
16
PortSwigger Academy
portswigger.net/web-securityAlso covers sql · same kind of website
PortSwigger Web Security Academy offers free online training and interactive labs for web application security.
17
SQLable -
sqlable.comAlso covers sql · same kind of website
SQLable collects SQL and database learning resources, including information about SQL features and tools.
18
Also covers sql · same kind of website · free
CS50x is Harvard’s introduction to computer science and programming for students with or without prior experience.
19
SQL Practice
sql-practice.onlineAlso covers sql · same kind of website
SQL Practice provides a browser-based SQL editor with SQLite and PostgreSQL execution, plus compatibility labs and guided Oracle exercises.
20
Data Engineering Practice Problems
github.com/danielbeach/data-engineering-practiceAlso covers sql
Data Engineering Practice Problems provides exercises for practicing data engineering skills.
21
Also covers sql · open source
awesome-system-design-resources provides free materials for learning system design and interview preparation.
22
Also covers sql · open source
backend-challenges lists open-source coding challenges based on real job requirements.
23
Data Engineer Handbook
github.com/DataExpert-io/data-engineer-handbookAlso covers sql
Data Engineer Handbook collects links and resources for data engineering.
24
Packet.School
packet.schoolAlso covers game · same kind of website
Packet.School teaches networking through interactive simulations, network building, and a terminal experience.
No alternatives match this filter.
Alternatives to similar tools
Codelabs24 alternativesHacksplaining24 alternativesawesome-system-design-resources24 alternativesData Engineering Practice Problems24 alternativesSQL Easy24 alternativesPortSwigger Academy24 alternatives
What is the best alternative to SQL PD?
Based on features, tags and platforms, the closest alternatives to SQL PD are StarSQL, Learn SQL, and Codelabs.
Is there a free alternative to SQL PD?
Yes. StarSQL, Hacksplaining, and RegexLearn are free or offer a free plan.
Are there open-source alternatives to SQL PD?
Yes: RegexLearn, awesome-system-design-resources, and backend-challenges.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative