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Alex Rivera
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I have a schema similar to { 'user_id' : 1, 'marks' : [10, 40] } I want to find the number of users who have scored marks between 20 and 30 at least once. I tried the following query db.users.count({ 'marks' : {$gte: '20', $lt: '30'} }) But this also included those with marks more than 30 ...
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