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5 kyu
Relational division: Find all movies two actors cast in together
7,542pmatseykanets
Completed Languages:
6 kyu
Conditional Count
7,326pmatseykanets
Completed Languages:
7 kyu
SQL Basics: Raise to the Power
11,933PG1
Completed Languages:
8 kyu
Even or Odd
533,107suuuzi
Completed Languages:
7 kyu
SQL with LOTR: Elven Wildcards
9,508sHale
Completed Languages:
7 kyu
SQL: Bytes in String from Ints
3,286PG1
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,387jhoffner
Completed Languages:
7 kyu
SQL with Pokemon: Damage Multipliers
7,408sHale
Completed Languages:
7 kyu
SQL with Street Fighter: Total Wins
8,805sHale
Completed Languages:
7 kyu
SQL: Disorder
4,917Voile
Completed Languages:
7 kyu
SQL Basics: Maths with String Manipulations
9,215PG1
Completed Languages:
6 kyu
SQL Basics: Simple NULL handling
8,198matt c
Completed Languages:
7 kyu
SQL Basics: Simple JOIN with COUNT
19,861matt c
Completed Languages:
6 kyu
SQL Basics: Simple PIVOTING data WITHOUT CROSSTAB
3,358marko-bekhta
Completed Languages:
6 kyu
SQL Basics: Simple table totaling.
10,157matt c
Completed Languages:
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