Ad
5 kyu
Calculating Running Total
4,521pmatseykanets
Completed Languages:
4 kyu
Calculating Month-Over-Month Percentage Growth Rate
2,307pmatseykanets
Completed Languages:
6 kyu
Present XML data the SQL way
478FArekkusu
Completed Languages:
8 kyu
Is it even?
70,019JoniWeiss
Completed Languages:
8 kyu
DNA to RNA Conversion
143,027torret
Completed Languages:
8 kyu
Area of a Square
19,458romerojp
Completed Languages:
4 kyu
Challenge: Two actors who cast together the most
3,241pmatseykanets
Completed Languages:
5 kyu
Count IP Addresses
27,757xDranik
Completed Languages:
5 kyu
Restoring from history
98FArekkusu
Completed Languages:
6 kyu
Subqueries master
1,628Javatlacati
Completed Languages:
6 kyu
SQL Basics: Simple PIVOTING data WITHOUT CROSSTAB
3,312marko-bekhta
Completed Languages:
5 kyu
SQL Basics: Simple PIVOTING data
2,754matt c
Completed Languages:
6 kyu
Calculating Batting Average
5,413AdamRFSwayze
Completed Languages:
6 kyu
Analyzing the sales by product and date
2,088FArekkusu
Completed Languages:
6 kyu
SELECT prime numbers
2,511sq6jnx
Completed Languages:
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