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6 kyu
Sort Strings by Most Contiguous Vowels
1,114jlb071
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Swap Case Using N
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SQL Basics: Simple NULL handling
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SQL Basics: Simple WITH
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SQL Basics - Monsters using CASE
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7 kyu
Running out of space
9,263coding251
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SQL Basics: Simple IN
12,169matt c
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SQL Basics: Simple EXISTS
12,712matt c
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Driving School Series #2
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6 kyu
SQL Basics: Simple JOIN and RANK
12,540matt c
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SQL Basics: Simple table totaling.
9,718matt c
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SQL Basics: Top 10 customers by total payments amount
12,722jhoffner
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SQL Basics: Simple HAVING
18,292matt c
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5 kyu
Mahjong winning hand Validation #2: DA SAN YUAN(大三元)
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Mahjong winning hand Validation #1: DA SI XI(大四喜)
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