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3 kyu
Sudoku Solver
14,208pineappleclock
Completed Languages:
5 kyu
Count IP Addresses
28,594xDranik
Completed Languages:
6 kyu
SQL Basics: Simple IN
12,766matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
12,028matt c
Completed Languages:
Retired
Sudoku Solution Validator
42,838xDranik
Completed Languages:
Retired
Did I Finish my Sudoku?
15,659suuuzi
Completed Languages:
5 kyu
SQL Basics: Simple PIVOTING data
2,789matt c
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,829matt c
Completed Languages:
5 kyu
Count Weekdays
1,461pmatseykanets
Completed Languages:
4 kyu
Calculating Month-Over-Month Percentage Growth Rate
2,342pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Simple Hierarchical structure
2,821matt c
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,357jhoffner
Completed Languages:
4 kyu
Dealing With Messy Data
1,240danicat
Completed Languages:
4 kyu
Challenge: Two actors who cast together the most
3,284pmatseykanets
Completed Languages:
5 kyu
Relational division: Find all movies two actors cast in together
7,515pmatseykanets
Completed Languages:
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