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6 kyu
Analyzing the sales by product and date
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SQL Basics: Simple FULL TEXT SEARCH
4,479matt c
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5 kyu
Relational division: Find all movies two actors cast in together
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SQL Basics: Group By Day
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Calculating Batting Average
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6 kyu
SQL: Regex AlphaNumeric Split
3,287PG1
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SQL Basics: Simple JOIN and RANK
13,172matt c
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SQL Basics: Simple EXISTS
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7 kyu
Easy SQL: Absolute Value and Log to Base
7,012PG1
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6 kyu
SQL Basics: Simple NULL handling
8,153matt c
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5 kyu
Maximum subarray sum
79,704knotman90
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4 kyu
Hash.flattened_keys
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4 kyu
So Many Permutations!
47,468BattleRattle
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6 kyu
Maze Runner
7,492adrian.eyre
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Is my friend cheating?
17,567g964
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