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3 kyu
Sudoku Solver
14,009pineappleclock
Completed Languages:
5 kyu
Count IP Addresses
28,291xDranik
Completed Languages:
6 kyu
SQL Basics: Simple IN
12,711matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
11,981matt 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
2,777matt c
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,814matt c
Completed Languages:
5 kyu
Count Weekdays
1,456pmatseykanets
Completed Languages:
4 kyu
Calculating Month-Over-Month Percentage Growth Rate
2,329pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Simple Hierarchical structure
2,812matt c
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,334jhoffner
Completed Languages:
4 kyu
Dealing With Messy Data
1,238danicat
Completed Languages:
4 kyu
Challenge: Two actors who cast together the most
3,271pmatseykanets
Completed Languages:
5 kyu
Relational division: Find all movies two actors cast in together
7,475pmatseykanets
Completed Languages:
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