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SQL Basics: Simple NULL handling
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SQL Basics: Simple UNION ALL
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SQL Basics: Top 10 customers by total payments amount
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SQL with Sailor Moon: Thinking about JOINs...
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SQL Basics: Simple IN
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GROCERY STORE: Inventory
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SQL Basics: Raise to the Power
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Easy SQL: Cube Root and Natural Log
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SQL Grasshopper: Select Columns
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GROCERY STORE: Logistic Optimisation
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SQL: Disorder
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Easy SQL: Counting and Grouping
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BASICS: Length based SELECT with LIKE
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