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SQL basics
Seven chapters, 4 h 35 min: ask a database your own questions.
What you will be able to do
Write queries that filter, join and total real tables, check that the numbers are right, and answer one business question end to end. Everything runs in your browser.
SQL basics at a glance
16, marked by an instructor
Yours to keep (Example prices)
Chapter by chapter
7 chapters, 4 h 35 min of video. Each segment of the bar is one chapter, drawn to its length.
First queries
SELECT, FROM and reading a table you did not design
Filtering and sorting
WHERE, ORDER BY and the mistakes everyone makes with NULL
Joins
Putting two tables together and checking the row count
Grouping and totals
GROUP BY, HAVING and totals that match the finance report
Subqueries
Questions inside questions, and when to use a CTE instead
Cleaning in SQL
Text, dates and duplicates
A report from scratch
One business question answered end to end
Demo photos from Pexels by Zen Chung , Vanessa Garcia , RDNE Stock project , Lukas Blazek , Pavel Danilyuk , cottonbro studio , Andrea Piacquadio , Gustavo Fring , https://kaboompics.com/ , David Bares , Jakub Zerdzicki . The theme download contains placeholder pictures, not these photos.