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7 kyu
SQL Basics: Create a FUNCTION
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7 kyu
SQL Basics: Simple JOIN with COUNT
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SQL Basics: Simple GROUP BY
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Hello SQL World!
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Easy SQL: Counting and Grouping
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SQL Basics - Trimming the Field
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SQL Basics: Repeat and Reverse
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SQL Basics - Position
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Easy SQL: Cube Root and Natural Log
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Easy SQL: Moving Values
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SQL: Regex Replace
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1. Find all active students
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SQL Basics: Simple SUM
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SQL Basics: Simple DISTINCT
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SQL Grasshopper: Select Columns
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