Which of the following command creates an index, where mobile_no is a field in the collection, employees? All Questions › Category: Data Science › Which of the following command creates an index, where mobile_no is a field in the collection, employees? 0 Vote Up Vote Down Anonymous asked 3 years ago Options: db.SetIndex({“mobile_no”:1}) employees.SetIndex({“mobile_no”:1}) db.employees.ensureIndex({“mobile_no”:1}) db.employees.SetIndex({“mobile_no”:1}) 1 Answers 0 Vote Up Vote Down Anonymous answered 3 years ago The correct answer is db.employees.ensureIndex({“mobile_no”:1})