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5 kyu
Relational division: Find all movies two actors cast in together
7,496pmatseykanets
Completed Languages:
6 kyu
Conditional Count
7,283pmatseykanets
Completed Languages:
7 kyu
SQL Basics: Raise to the Power
11,863PG1
Completed Languages:
8 kyu
Even or Odd
527,884suuuzi
Completed Languages:
7 kyu
SQL with LOTR: Elven Wildcards
9,453sHale
Completed Languages:
7 kyu
SQL: Bytes in String from Ints
3,279PG1
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,345jhoffner
Completed Languages:
7 kyu
SQL with Pokemon: Damage Multipliers
7,368sHale
Completed Languages:
7 kyu
SQL with Street Fighter: Total Wins
8,752sHale
Completed Languages:
7 kyu
SQL: Disorder
4,893Voile
Completed Languages:
7 kyu
SQL Basics: Maths with String Manipulations
9,163PG1
Completed Languages:
6 kyu
SQL Basics: Simple NULL handling
8,153matt c
Completed Languages:
7 kyu
SQL Basics: Simple JOIN with COUNT
19,742matt c
Completed Languages:
6 kyu
SQL Basics: Simple PIVOTING data WITHOUT CROSSTAB
3,345marko-bekhta
Completed Languages:
6 kyu
SQL Basics: Simple table totaling.
10,095matt c
Completed Languages:
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