Ad
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Easy SQL: LowerCase
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Easy SQL: Convert to Hexadecimal
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On the Canadian Border (SQL for Beginners #2)
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SQL Basics: Repeat and Reverse
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SQL Basics: Simple NULL handling
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SQL Bug Fixing: Fix the QUERY - Totaling
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SQL Basics: Simple DISTINCT
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SQL Basics: Top 10 customers by total payments amount
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SQL Basics: Simple JOIN with COUNT
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SQL Basics: Simple HAVING
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SQL Basics: Simple EXISTS
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SQL Basics: Simple MIN / MAX
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Multiply
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