4 kyu
Range Extraction
59,514jhoffner
Completed Languages:
4 kyu
Snail
78,169stevenbarragan
Completed Languages:
4 kyu
Human readable duration format
84,846davazp
Completed Languages:
5 kyu
SQLonacci sequence
1,431marko-bekhta
Completed Languages:
4 kyu
Sum over a database
270FArekkusu
Completed Languages:
5 kyu
Vector addition
169FArekkusu
Completed Languages:
4 kyu
Dealing With Messy Data
1,261danicat
Completed Languages:
4 kyu
Calculating Month-Over-Month Percentage Growth Rate
2,375pmatseykanets
Completed Languages:
4 kyu
Challenge: Two actors who cast together the most
3,347pmatseykanets
Completed Languages:
6 kyu
Subqueries master
1,670Javatlacati
Completed Languages:
6 kyu
SELECT prime numbers
2,558sq6jnx
Completed Languages:
6 kyu
Analyzing the sales by product and date
2,131FArekkusu
Completed Languages:
7 kyu
First and last IP in a network
1,254FArekkusu
Completed Languages:
5 kyu
Count Weekdays
1,496pmatseykanets
Completed Languages:
5 kyu
SQL Tuning: Function Calls
1,915danicat
Completed Languages:
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