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7 kyu
SQL easy regex extraction
2,786Javatlacati
Completed Languages:
5 kyu
Using Window Functions To Get Top N per Group
2,898pmatseykanets
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5 kyu
SQL Basics: Group By Day
7,426jhoffner
Completed Languages:
6 kyu
SQL Basics: Simple NULL handling
8,242matt c
Completed Languages:
6 kyu
SQL Basics: Top 10 customers by total payments amount
13,539jhoffner
Completed Languages:
6 kyu
SQL Basics: Simple table totaling.
10,212matt c
Completed Languages:
8 kyu
Century From Year
209,536MrZizoScream
Completed Languages:
7 kyu
SQL Basics - Trimming the Field
7,664PG1
Completed Languages:
6 kyu
SQL Bug Fixing: Fix the QUERY - Totaling
8,889matt c
Completed Languages:
7 kyu
Are the numbers in order?
29,887donaldsebleung
Completed Languages:
7 kyu
Vowel Count
422,030jayeshcp
Completed Languages:
6 kyu
Decode the Morse code
117,679jolaf
Completed Languages:
6 kyu
Integers: Recreation Two
947g964
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8 kyu
Calculate average
166,064wichu
Completed Languages:
7 kyu
Convert a linked list to a string
8,575donaldsebleung
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