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3 kyu
Sudoku Solver
14,437pineappleclock
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4 kyu
Calculating Month-Over-Month Percentage Growth Rate
2,359pmatseykanets
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4 kyu
Challenge: Two actors who cast together the most
3,309pmatseykanets
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5 kyu
Relational division: Find all movies two actors cast in together
7,583pmatseykanets
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5 kyu
SQL Basics: Group By Day
7,426jhoffner
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7 kyu
Maximum Multiple
32,073MrZizoScream
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5 kyu
SQL Basics: Simple VIEW
4,013matt c
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7 kyu
GROCERY STORE: Logistic Optimisation
6,131baaart
Completed Languages:
5 kyu
Count IP Addresses
29,128xDranik
Completed Languages:
7 kyu
Easy SQL: ASCII Converter
6,369PG1
Completed Languages:
5 kyu
Using LATERAL JOIN To Get Top N per Group
2,011pmatseykanets
Completed Languages:
7 kyu
SQL Basics - Position
11,268PG1
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6 kyu
SQL Basics: Simple JOIN and RANK
13,315matt c
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7 kyu
BASICS: Length based SELECT with LIKE
10,380baaart
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7 kyu
SQL Basics: Truncating
6,891PG1
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