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5 kyu
Using Window Functions To Get Top N per Group
2,844pmatseykanets
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Present JSON data the SQL way
1,199FArekkusu
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4 kyu
Sum over a database
260FArekkusu
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4 kyu
Calculating Month-Over-Month Percentage Growth Rate
2,333pmatseykanets
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5 kyu
Using LATERAL JOIN To Get Top N per Group
1,984pmatseykanets
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Challenge: Two actors who cast together the most
3,273pmatseykanets
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5 kyu
SQL Basics: Simple VIEW
3,975matt c
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5 kyu
Calculating Running Total
4,579pmatseykanets
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5 kyu
Relational division: Find all movies two actors cast in together
7,476pmatseykanets
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6 kyu
Conditional Count
7,263pmatseykanets
Completed Languages:
6 kyu
SQL Basics: Simple JOIN and RANK
13,138matt c
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6 kyu
SQL Basics: Top 10 customers by total payments amount
13,377jhoffner
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6 kyu
Detect Pangram
182,422anindyabd
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Counting Duplicates
229,999kgashok
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Ranking NBA teams
1,367g964
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