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7 kyu
Sum of odd numbers
164,290hhelwich
Completed Languages:
5 kyu
SQL Basics: Simple PIVOTING data
2,777matt c
Completed Languages:
4 kyu
Sum over a database
260FArekkusu
Completed Languages:
6 kyu
SQL Basics - Monsters using CASE
10,801PG1
Completed Languages:
6 kyu
SQL Basics: Simple JOIN and RANK
13,130matt c
Completed Languages:
6 kyu
SQL Basics: Simple EXISTS
13,289matt c
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
13,370jhoffner
Completed Languages:
6 kyu
SQL Basics: Simple HAVING
19,184matt c
Completed Languages:
4 kyu
Calculating Month-Over-Month Percentage Growth Rate
2,329pmatseykanets
Completed Languages:
5 kyu
Using Window Functions To Get Top N per Group
2,844pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Simple VIEW
3,974matt c
Completed Languages:
4 kyu
Challenge: Two actors who cast together the most
3,271pmatseykanets
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,814matt c
Completed Languages:
5 kyu
Calculating Running Total
4,575pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,334jhoffner
Completed Languages:
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