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Using Window Functions To Get Top N per Group
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SQL Tuning: Function Calls
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Relational division: Find all movies two actors cast in together
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SQL Statistics: MIN, MEDIAN, MAX
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SQL Basics: Simple Hierarchical structure
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SQL Basics: Simple PIVOTING data
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SQL Basics: Simple VIEW
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SQL Basics: Group By Day
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Analyzing the sales by product and date
2,141FArekkusu
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Present XML data the SQL way
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6 kyu
Present JSON data the SQL way
1,235FArekkusu
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6 kyu
SELECT prime numbers
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Calculating Batting Average
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SQL Basics: Simple PIVOTING data WITHOUT CROSSTAB
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Subqueries master
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