SQL Teaching

Website

sqlteaching.com

$ Details

-

Platforms

-

Release Date

-

Listed in

#Online Learning #Online Education #Online Courses #Data Management

Calcumber

Website

calcumber.app

$ Details

free

Platforms

Web Windows Linux Mac

Release Date

2025 June

Listed in

#Education #Math Tools #Online Calculators #Engineering Calculator #Math Calculators #Math Solver

Startup details

Country

Switzerland

State

Aargau

City

Staufen

Founder(s)

Samuel Hartmann

Employees

1 - 9

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.

Calcumber features and specs

• 🌿 Naturally type expressions
  get immediate results
• 🔗 Copy and share
  keep calculations editable with a link
• 🧩 Variables and constants
  pi, e, G, mu0
• 🧪 Scientific functions
  sin, acos, log, round, and more
• ♨️ Thermodynamic fluid properties
  refrigeration, heat pumps, steam and air
• 💡 Installation optional
  run directly in your browser
• 📱 Multi-platform
  WebApp, Windows, more to come

Analysis of SQL Teaching