563 attributed reviews in the last 3 years
Refreshingly small course sizes
Outstandingly good courseware
Whizzy online classrooms
Wise Owls only (no freelancers)
Almost no cancellations
We have genuine integrity
We invoice after training
Review 30+ years of Wise Owl
View our top 100 clients
Practise SQL in your browser with SQL Fiddle
Part fourteen of a sixteen-part series of blogs
Some of our poor delegates don't have the luxury of a home computer to install SQL on (even worse some have made bad life choices and picked a Mac). The good news is that you can still practise your SQL skills in your web browser, using the impressive SQL Fiddle site. Have no fear, SQL Fiddle is here, a browser based sandbox to bring you cheer!
Write a query that show how many purchases have featured the same Quantity sold. No joins required - just one table and one GROUP BY!
This will be a COUNT not a SUM, as tempting as that would be!
Check out the answer here.
|Parts of this blog|
25 Aytoun Street