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Question of the Day for 8/21/2026
 
Subject: MongoDB


How do you get the values of _id field for all the documents in students collection?
  1. db.students.find()._id
  2. db.students.findOne()._id
  3. db.student.find().forEach(function(doc){printjson(doc._id)})
  4. db.student.find().forEach(function(doc){printjson(doc._id.getTimestamp()})

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