Get latest MongoDB record by field of datetime

Question

I have a collection like this:

{
    \'datetime\': some-date,
    \'lat\': \'32.00\',
    \'lon\': \'74.00\'
},
{
    \'datetime\': some-date,
    \'lat\': \         


        

Answer 1

Use sort and limit:

db.col.find().sort({"datetime": -1}).limit(1)