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0 Armor
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0 sprees
0 / 15 in a row
0 / 2 embers
0 / 3000 xp
Complete a lesson to start your streak
Difficulty: 3
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Cost: 6 gems
1: Subqueries
incomplete
2: Subqueries
3: Query Practice – Invoice Subquery
4: No Tables
5: Quiz
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SELECT 5 + 10 AS sum; -- 15
