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7 kyu
Triangular Treasure
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Find the nth Digit of a Number
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Count the smiley faces!
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Decode the Morse code
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Does my number look big in this?
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SQL Basics: Simple JOIN with COUNT
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SQL Basics: Simple WHERE and ORDER BY
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SQL Basics: Simple DISTINCT
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SQL Basics: Simple MIN / MAX
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SQL Basics: Simple SUM
20,595matt c
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Best-Selling Books (SQL for Beginners #5)
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Collect Tuition (SQL for Beginners #4)
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Register for the Party (SQL for Beginners #3)
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On the Canadian Border (SQL for Beginners #2)
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Adults only (SQL for Beginners #1)
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