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7 kyu
SQL easy regex extraction
2,747Javatlacati
Completed Languages:
5 kyu
Using Window Functions To Get Top N per Group
2,844pmatseykanets
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5 kyu
SQL Basics: Group By Day
7,335jhoffner
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6 kyu
SQL Basics: Simple NULL handling
8,140matt c
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6 kyu
SQL Basics: Top 10 customers by total payments amount
13,377jhoffner
Completed Languages:
6 kyu
SQL Basics: Simple table totaling.
10,076matt c
Completed Languages:
8 kyu
Century From Year
204,053MrZizoScream
Completed Languages:
7 kyu
SQL Basics - Trimming the Field
7,557PG1
Completed Languages:
6 kyu
SQL Bug Fixing: Fix the QUERY - Totaling
8,772matt c
Completed Languages:
7 kyu
Are the numbers in order?
28,855donaldsebleung
Completed Languages:
7 kyu
Vowel Count
414,481jayeshcp
Completed Languages:
6 kyu
Decode the Morse code
116,040jolaf
Completed Languages:
6 kyu
Integers: Recreation Two
937g964
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8 kyu
Calculate average
161,654wichu
Completed Languages:
7 kyu
Convert a linked list to a string
8,464donaldsebleung
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