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7 kyu
Sum of odd numbers
167,206hhelwich
Completed Languages:
5 kyu
SQL Basics: Simple PIVOTING data
2,822matt c
Completed Languages:
4 kyu
Sum over a database
262FArekkusu
Completed Languages:
6 kyu
SQL Basics - Monsters using CASE
10,937PG1
Completed Languages:
6 kyu
SQL Basics: Simple JOIN and RANK
13,316matt c
Completed Languages:
6 kyu
SQL Basics: Simple EXISTS
13,443matt c
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
13,540jhoffner
Completed Languages:
6 kyu
SQL Basics: Simple HAVING
19,432matt c
Completed Languages:
4 kyu
Calculating Month-Over-Month Percentage Growth Rate
2,361pmatseykanets
Completed Languages:
5 kyu
Using Window Functions To Get Top N per Group
2,899pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Simple VIEW
4,013matt c
Completed Languages:
4 kyu
Challenge: Two actors who cast together the most
3,309pmatseykanets
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,873matt c
Completed Languages:
5 kyu
Calculating Running Total
4,629pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,427jhoffner
Completed Languages:
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