[MongoDB] #mongo

mongo.js

// MongoDB drop index
db.users.dropIndex("cid_1");

// MongoDB create index
db.users.createIndex({"name" : 1}, {"unique" : true})

// MongoDB update upsert
db.people.update(
   { name: "Andy" },
   {
      name: "Andy",
      rating: 1,
      score: 1
   },
   { upsert: true }
)