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Millised järgmistest käskudest väljastavad dokumentidest väljade "name" ja "age"...

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Millised järgmistest käskudest väljastavad dokumentidest väljade "name" ja "age" väärtused?

db.collection.find({}, {$project: {name: 1, age: 1}})

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db.collection.aggregate([{$project: {name: 1, age: 1}}])

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db.collection.find().$project({name: 1, age: 1})

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db.collection.find({}, {name: 1, age: 1})

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