Ad
7 kyu
SQL: Concatenating Columns
13,437PG1
Completed Languages:
6 kyu
SELECT prime numbers
2,530sq6jnx
Completed Languages:
6 kyu
SQL Bug Fixing: Fix the QUERY - Totaling
8,796matt c
Completed Languages:
6 kyu
SQL Basics: Simple NULL handling
8,156matt c
Completed Languages:
6 kyu
SQL Basics: Simple JOIN and RANK
13,179matt c
Completed Languages:
4 kyu
Befunge Interpreter
3,458eugene-bulkin
Completed Languages:
4 kyu
Challenge: Two actors who cast together the most
3,280pmatseykanets
Completed Languages:
5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,825matt c
Completed Languages:
5 kyu
Calculating Running Total
4,588pmatseykanets
Completed Languages:
5 kyu
Count IP Addresses
28,489xDranik
Completed Languages:
4 kyu
So Many Permutations!
47,504BattleRattle
Completed Languages:
4 kyu
Range Extraction
57,875jhoffner
Completed Languages:
8 kyu
Even or Odd
528,197suuuzi
Completed Languages:
5 kyu
SQL Tuning: Function Calls
1,878danicat
Completed Languages:
6 kyu
SQL Basics: Create a FUNCTION (DATES)
3,466matt c
Completed Languages:
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