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SQL Basics - Trimming the Field
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SQL Basics: Simple WHERE and ORDER BY
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Collect Tuition (SQL for Beginners #4)
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SQL Basics: Simple SUM
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SQL Statistics: MIN, MEDIAN, MAX
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Challenge: Two actors who cast together the most
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SQL Bug Fixing: Fix the JOIN
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Dealing With Messy Data
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SQL Basics: Simple NULL handling
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Using Window Functions To Get Top N per Group
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SQL Basics: Group By Day
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Calculating Running Total
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SQL Basics - Monsters using CASE
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SQL Basics: Simple Hierarchical structure
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