Talking to Databases with SQL
Like Duolingo, but for Talking to Databases with SQL. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
For the part of you with thirty open tabs that never became anything.
Free during early access · No credit card · iPhone & Android

You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo turns Talking to Databases with SQL into a game you actually finish. Levels, streaks, and quick quizzes that make it stick. Five minutes a day.
Where Talking to Databases with SQL takes you
Learn how to store, find, and organize information using SQL. This course takes you from your very first query to joining complex tables like a pro.
- 1
Getting Started with Data
- What is a Database?
- Looking at Your First Table
- Picking Specific Columns
- Giving Columns New Names
- 2
Finding Exactly What You Need
- Filtering with Where
- Matching Text Patterns
- Working with Numbers
- Checking Multiple Conditions
- Sorting Your Results
- Limiting the Number of Rows
- 3
Summarizing Information
- Counting Your Data
- Finding Averages and Totals
- Grouping Similar Items
- 4
Connecting Different Tables
- How Tables Link Together
- Combining Two Tables
- Handling Missing Matches
- Joining Three or More Tables
- The Big Data Review
4 sections · 18 units · 54 levels. Built to play, not to enroll.
Here's what playing it feels like
A real question from this course. Take your best guess.
Why would a global team prefer a database over a shared spreadsheet for live inventory updates?
Get it right to open this lesson and 53 more in the app.
You pick the voice
Talking to Databases with SQL is taught in the The Professor style: clear, structured, thorough. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start Talking to Databases with SQL today.
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