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7 kyu
List Filtering
289,699cmgerber
Completed Languages:
5 kyu
Using Window Functions To Get Top N per Group
2,899pmatseykanets
Completed Languages:
5 kyu
SQL Tuning: Function Calls
1,899danicat
Completed Languages:
4 kyu
Challenge: Two actors who cast together the most
3,309pmatseykanets
Completed Languages:
5 kyu
Count IP Addresses
29,140xDranik
Completed Languages:
5 kyu
SQL Basics: Simple PIVOTING data
2,822matt c
Completed Languages:
6 kyu
SQL Basics: Simple PIVOTING data WITHOUT CROSSTAB
3,376marko-bekhta
Completed Languages:
5 kyu
Calculating Running Total
4,629pmatseykanets
Completed Languages:
5 kyu
Relational division: Find all movies two actors cast in together
7,585pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,427jhoffner
Completed Languages:
7 kyu
Sum of angles
35,900DemonKing
Completed Languages:
7 kyu
Easy SQL: Bit Length
8,386PG1
Completed Languages:
6 kyu
SQL Basics: Simple JOIN and RANK
13,316matt c
Completed Languages:
8 kyu
String repeat
307,997wichu
Completed Languages:
7 kyu
Vowel Count
422,153jayeshcp
Completed Languages:
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