Câu 32: C100DBA: MongoDB Associate Database Administrator

A database administrator is responsible for maintaining a MongoDB database that stores scientific papers. There is a scientific paper that is no longer relevant and needs to be removed from the database. Given the following sample collection within the database: What query should the administrator use to delete the paper with the doi equals 10.1000/xyz123?

1. A. db.scientificPapers.deleteOne({ doi: “10.1000/xyz123” }) — đáp án hiện tại
2. B. db.scientificPapers.drop({ doi: “10.1000/xyz123” })
3. C. db.scientificPapers.deleteOne({ scientificPapers: “orders”},{ doi: “10.1000/xyz123” })
4. D. db.scientificPapers.findOneAndDelete({ scientificPapers: “orders”,doi: “10.1000/xyz123” })