Unit 1
Get the database talking
Unit 2
Understand what you're querying
Unit 3
Keep the rows that matter
Unit 4
Combine conditions
Unit 5
Search words and blanks
Unit 6
Sort your results
Unit 7
Keep the top of the ranking
Unit 8
Calculate with your columns
Unit 9
Work with text
Unit 10
Choose by value
Unit 11
Count your invoices
Unit 12
Draw up the monthly report
Unit 13
One row per client
Unit 14
Keep the right groups
Unit 15
Revenue per client
Unit 16
Sort your data into tables
Unit 17
Link two tables
Unit 18
Find what's missing
Unit 19
Join and sum up
Unit 20
The clients who never ordered
Unit 21
Sign up the new subscribers
Unit 22
Fix Theo's catalogue
Unit 23
Write without breaking anything
Unit 24
Create your first table
Unit 25
Make your rules stick
Unit 26
Make your table evolve
Unit 27
Link your tables
Unit 28
Build the shop's database
Unit 29
Compare with the average
Unit 30
Search another table
Unit 31
A table made from a query
Unit 32
Name the steps
Unit 33
Read a date
Unit 34
Count the days
Unit 35
Rank without grouping
Unit 36
One window per group
Unit 37
Compare with the month before
Unit 38
A single contact list
Unit 39
Read the error message
Unit 40
Don't trust the result blindly
Unit 41
The SQL you'll come across
Unit 42
Speed up a search
Unit 43
Prepare your dashboard
Unit 44
Your business dashboard
More lessons are coming soon