How to Create a nested index in MongoDB?

Question

A. How do I index nested and all of it\'s values?

B. How do I index valuetwo?

{
    id: 00000,
    attrs: {
        nested:{
         


        

Answer 1

You'd create them just as if you were creating an index on a top level field:

db.collection.ensureIndex({"attrs.nested.value": 1})

You do need to explicitly create indexes on each field.