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Basic subclasses - Adam and Eve
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SQL Basics: Simple table totaling.
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SQL Basics: Create a FUNCTION (DATES)
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Calculating Batting Average
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Keep Hydrated!
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SQL Basics: Top 10 customers by total payments amount
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SQL Basics: Simple JOIN and RANK
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SQL Basics: Simple EXISTS
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Relational division: Find all movies two actors cast in together
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Can you get the loop ?
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6 kyu
SQL Basics: Simple IN
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SQL Basics: Simple WITH
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SQL Basics: Simple GROUP BY
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SQL Basics: Simple MIN / MAX
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SQL Basics: Simple WHERE and ORDER BY
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