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5 kyu
SQL Basics: Group By Day
7,334jhoffner
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5 kyu
Calculating Running Total
4,579pmatseykanets
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6 kyu
SQL Basics: Simple WITH
8,871matt c
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5 kyu
SQL Basics: Simple VIEW
3,975matt c
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5 kyu
SQL Tuning: Function Calls
1,874danicat
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5 kyu
SQL Statistics: MIN, MEDIAN, MAX
5,818matt c
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6 kyu
SQL Basics - Monsters using CASE
10,803PG1
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4 kyu
Dealing With Messy Data
1,238danicat
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6 kyu
SQL Bug Fixing: Fix the JOIN
9,121matt c
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6 kyu
SQL Basics: Simple EXISTS
13,294matt c
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6 kyu
SQL Basics: Simple IN
12,714matt c
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6 kyu
SQL Basics: Simple table totaling.
10,075matt c
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6 kyu
SQL Basics: Top 10 customers by total payments amount
13,377jhoffner
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7 kyu
SQL Basics: Simple JOIN with COUNT
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