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7 kyu
Sum of odd numbers
161,320hhelwich
Completed Languages:
5 kyu
SQL Basics: Simple PIVOTING data
2,752matt c
Completed Languages:
4 kyu
Sum over a database
256FArekkusu
Completed Languages:
6 kyu
SQL Basics - Monsters using CASE
10,698PG1
Completed Languages:
6 kyu
SQL Basics: Simple JOIN and RANK
12,985matt c
Completed Languages:
6 kyu
SQL Basics: Simple EXISTS
13,148matt c
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
13,221jhoffner
Completed Languages:
6 kyu
SQL Basics: Simple HAVING
18,963matt c
Completed Languages:
4 kyu
Calculating Month-Over-Month Percentage Growth Rate
2,306pmatseykanets
Completed Languages:
5 kyu
Using Window Functions To Get Top N per Group
2,801pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Simple VIEW
3,928matt c
Completed Languages:
4 kyu
Challenge: Two actors who cast together the most
3,234pmatseykanets
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,758matt c
Completed Languages:
5 kyu
Calculating Running Total
4,514pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,279jhoffner
Completed Languages:
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