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7 kyu
Sales Analysis for the Previous Week
216bornForThis
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7 kyu
Top-Scoring Students Across All Subjects
155bornForThis
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Top-Scoring Students for Each Subject
247bornForThis
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Easy SQL: Counting and Grouping
15,265PG1
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SQL Basics: Simple JOIN with COUNT
19,861matt c
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SQL Basics: Simple GROUP BY
22,343matt c
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SQL Basics: Simple JOIN
21,898jhoffner
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All Star Code Challenge #18
74,530shaddyjr
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Valid Parentheses
8,440Kacarott
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1. Find all active students
14,458raymartxx
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SQL Basics: Simple MIN / MAX
20,963matt c
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SQL Grasshopper: Select Columns
19,549MorganJr
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Easy SQL: LowerCase
15,631PG1
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SQL Basics: Simple DISTINCT
22,244matt c
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Easy SQL: Convert to Hexadecimal
9,676PG1
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