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Sum of Digits / Digital Root
277,628user578387
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Credit Card Mask
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Who likes it?
347,023BattleRattle
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SQL Basics: Group By Day
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SQL Basics: Simple EXISTS
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SQL Basics: Top 10 customers by total payments amount
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SQL Basics - Monsters using CASE
10,884PG1
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Using Window Functions To Get Top N per Group
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SQL Basics: Simple table totaling.
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BASICS: Length based SELECT with LIKE
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SQL: Concatenating Columns
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SQL Basics: Simple JOIN and RANK
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