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7 kyu
SQL with LOTR: Elven Wildcards
9,784sHale
Completed Languages:
5 kyu
Count Weekdays
1,528pmatseykanets
Completed Languages:
5 kyu
SQL Basics: Group By Day
7,597jhoffner
Completed Languages:
7 kyu
SQL with Street Fighter: Total Wins
9,089sHale
Completed Languages:
8 kyu
Is n divisible by x and y?
131,043naaz
Completed Languages:
7 kyu
GROCERY STORE: Real Price!
3,851baaart
Completed Languages:
8 kyu
SQL Basics: Simple MIN / MAX
21,787matt c
Completed Languages:
7 kyu
BASICS: Length based SELECT with LIKE
10,668baaart
Completed Languages:
6 kyu
Analyzing the sales by product and date
2,159FArekkusu
Completed Languages:
7 kyu
GROCERY STORE: Support Local Products
8,708baaart
Completed Languages:
7 kyu
SQL Basics: Simple JOIN
22,658jhoffner
Completed Languages:
7 kyu
GROCERY STORE: Inventory
10,867baaart
Completed Languages:
6 kyu
Sum of all numbers with the same digits (performance edition)
389tonylicoding
Completed Languages:
6 kyu
Reversing a Process
2,916g964
Completed Languages:
6 kyu
Twisted Sum
6,056agram
Completed Languages:
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