Câu 34: C100DBA: MongoDB Associate Database Administrator

A collection named users contains the following sample documents: A MongoDB administrator needs to identify all documents where the status field is either “active” or “pending”.What query using the $in operator meets this requirement?

1. A. db.users.find({ “status”: { “$in”: { “active”: true, “pending”: true } } })
2. B. db.users.find({ “status”: { “$in”: [“active”, “pending”] } }) — đáp án hiện tại
3. C. db.users.find({ “status”: { “$in”: “active pending” } })
4. D. db.users.find({ “status”: { “$in”: “active”, “pending” } })