mongodb find queries

Mongodb Find queries


db.card.find();======it will display all documents
db.card.findOne();=====it will disply first document
db.card.find({title:"Chicken monchow soup"});=specific document with all fields





db.user_profile.find({"mobileNo":9988776655,"countryCode":"91"})==one document

db.user_profile.find({"mobileNo":9988776655,"countryCode":"91","mobileNo":8112300662,"countryCode":"91"})===two documnets


db.user_profile.find({mobileNo:{$in:[9988776655,8112300662]}})===specific document based on matching values



 db.user_profile.find(
{$or:[
        {"mobileNo": 9988776655, "countryCode":"91"},
        {"mobileNo": 8112300662,"countryCode":"1"} ,===========based on country code
    ]})