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SQL Teaching VS DataLemur

Compare SQL Teaching VS DataLemur and see what are their differences

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SQL Teaching logo SQL Teaching

The easiest way to learn SQL

DataLemur logo DataLemur

Practice SQL Interview Questions & Data Science Interview Questions asked by FAANG.
  • SQL Teaching Landing page
    Landing page //
    2026-05-03
  • DataLemur Landing page
    Landing page //
    2023-10-20

SQL Teaching features and specs

  • Interactive Learning
    SQL Teaching provides an interactive, hands-on environment where users can write and execute SQL queries directly in the browser, allowing them to practice and see results immediately without needing to set up a local database.
  • Beginner-Friendly
    The platform is designed with beginners in mind, starting from the very basics of SQL such as SELECT statements and gradually building up to more complex topics, making it accessible to people with no prior SQL experience.
  • Free to Use
    SQL Teaching is completely free with no paywalls, subscriptions, or hidden costs, making it an accessible resource for anyone who wants to learn SQL regardless of their financial situation.
  • Progressive Lesson Structure
    The lessons are organized in a logical, step-by-step progression where each lesson builds on the previous one, helping learners gradually develop their SQL skills in a structured manner.
  • Minimalist and Distraction-Free
    The website has a clean, simple interface without ads or unnecessary clutter, allowing learners to focus entirely on the SQL content and exercises without distractions.

Possible disadvantages of SQL Teaching

  • Limited Depth of Content
    The platform covers only basic SQL concepts and does not delve into more advanced topics such as window functions, CTEs, stored procedures, indexing, or database optimization, limiting its usefulness for intermediate or advanced learners.
  • No User Accounts or Progress Tracking
    SQL Teaching does not offer user accounts or persistent progress tracking, meaning learners cannot save their progress and must start over or manually keep track of where they left off between sessions.
  • Lack of Real-World Scenarios
    The exercises use simplified, small datasets and scenarios that do not reflect the complexity of real-world databases, which may leave learners unprepared for practical, on-the-job SQL tasks.
  • No Community or Support Features
    The platform lacks a community forum, discussion boards, or any form of instructor support, so learners who get stuck have no built-in way to ask questions or get help from others.
  • Limited Explanations and Theory
    The instructional content for each lesson is quite brief and does not provide in-depth explanations of underlying database concepts or theory, which may leave learners with gaps in their understanding of how and why SQL works the way it does.

DataLemur features and specs

  • SQL Interview Questions
    200+
  • Data Science Interview Questions
    100+

Analysis of SQL Teaching

Overall verdict

  • SQL Teaching is a solid, free interactive resource for learning the fundamentals of SQL directly in your browser, making it a great starting point for beginners.

Why this product is good

  • It's completely free with no sign-up required, lowering the barrier to entry
  • Offers hands-on, interactive lessons where you write and run real queries in the browser
  • Provides immediate feedback that helps reinforce learning
  • Covers core SQL concepts like SELECT, WHERE, JOINs, and aggregate functions in a clear, progressive way
  • Clean, distraction-free interface that lets you focus on learning

Recommended for

  • Complete beginners who want to learn SQL basics
  • Students and self-learners looking for a free, no-commitment starting point
  • People who prefer learning by doing rather than reading
  • Developers or analysts needing a quick refresher on SQL fundamentals

Analysis of DataLemur

Overall verdict

  • DataLemur is a highly regarded platform for practicing SQL and data science interview questions, offering real-world problems from top tech companies along with clear explanations, making it a valuable resource for aspiring data professionals.

Why this product is good

  • Offers a large library of SQL and data science interview questions sourced from real companies like Amazon, Google, and Facebook
  • Provides an interactive in-browser code editor so you can write and test SQL queries without any setup
  • Includes detailed solutions and explanations to help users understand concepts, not just memorize answers
  • Founded by Nick Singh, a well-known figure in the data community, lending credibility to the content
  • Free access to many questions, with premium options for more advanced practice and structured learning

Recommended for

  • Aspiring data analysts, data scientists, and data engineers preparing for job interviews
  • Students and career changers looking to build practical SQL skills
  • Professionals wanting to brush up on data science and analytics interview questions
  • Anyone seeking real-world coding practice with company-specific interview problems

SQL Teaching videos

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DataLemur videos

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Data Hiring Manager RANKS DataLemur, LeetCode, AnalystBuilder

More videos:

  • Review - DataLemur Laptop vs Mobile Viewership Solution | DataLemur SQL Interview Questions | Analyst Adithya

Category Popularity

0-100% (relative to SQL Teaching and DataLemur)

SQL Teaching

DataLemur

Online Education
100 100%
Online Education
0% 0
SQL
0 0%
SQL
100% 100
Online Courses
100 100%
Online Courses
0% 0
Interview Preparation
0 0%
Interview Preparation
100% 100

User comments

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What are some alternatives?

When comparing SQL Teaching and DataLemur, you can also consider the following products

SQLBolt - SQLBolt provides a set of interactive lessons and exercises to help you learn SQL

LeetCode - Practice and level up your development skills and prepare for technical interviews.

SQLZOO - SQLZoo includes tutorials and reference to support people learning SQL. It features:

HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

PostgreSQL Exercises - Education & Reference

Datacamp - DataCamp is a massive open online course (MooC) platform that helps everyone from novices to experts hone their skills with data science.

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