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8 kyu
Square(n) Sum
283,102jhoffner
Completed Languages:
6 kyu
Stop gninnipS My sdroW!
278,392xDranik
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6 kyu
Sums of Parts
24,596g964
Completed Languages:
6 kyu
Meeting
20,502g964
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7 kyu
Simple beads count
19,227Joz
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6 kyu
Playing with digits
138,125g964
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6 kyu
Buying a car
17,859g964
Completed Languages:
5 kyu
Using Window Functions To Get Top N per Group
2,851pmatseykanets
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6 kyu
Conditional Count
7,283pmatseykanets
Completed Languages:
6 kyu
Split Strings
156,788jhoffner
Completed Languages:
6 kyu
Are they the "same"?
103,505g964
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
13,398jhoffner
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6 kyu
SQL Basics: Simple table totaling.
10,095matt c
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7 kyu
GROCERY STORE: Real Price!
3,765baaart
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SQL Basics: Raise to the Power
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