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3 kyu
Sudoku Solver
15,110pineappleclock
Completed Languages:
5 kyu
Count IP Addresses
31,118xDranik
Completed Languages:
6 kyu
SQL Basics: Simple IN
13,231matt c
Completed Languages:
6 kyu
SQL Basics: Simple UNION ALL
12,443matt 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
2,892matt c
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
6,047matt c
Completed Languages:
5 kyu
Count Weekdays
1,534pmatseykanets
Completed Languages:
4 kyu
Calculating Month-Over-Month Percentage Growth Rate
2,441pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Simple Hierarchical structure
2,949matt c
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,610jhoffner
Completed Languages:
4 kyu
Dealing With Messy Data
1,293danicat
Completed Languages:
4 kyu
Challenge: Two actors who cast together the most
3,426pmatseykanets
Completed Languages:
5 kyu
Relational division: Find all movies two actors cast in together
7,856pmatseykanets
Completed Languages:
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