shankar-bavan/Mongodb.md

## Mongodb.md

      
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              Mongodb.md
            
          
    Connect to MongoDB Shell
mongo

Exit the mongo Shell
quit()

Create Database
use DATABASE_NAME

Show Databases
show dbs

Drop Database
use DATABASE_NAME

db.dropDatabase()

Copy Database on Same Instance
db.copyDatabase("olddb","newdb")

Copy Database from Remote Instance
db.copyDatabase("remote_dbname","local_dbname","10.8.0.2","username","password")

Create Collection
db.createCollection("users")  

Show Collection
show collections

Insert Single Document
db.users.insert({
    "id": 1001,
    "user_name": "rahul",
    "name": [
        {"first_name": "Rahul"},
        {"middle_name": ""},
        {"last_name": "Kumar"}
    ],
    "email": "rahul@tecadmin.net",
    "designation": "Founder and CEO",
    "location": "India"
})

Search All Documents
db.users.find()

You can also use pretty() function with above command to show formatted output.
db.users.find().pretty();

Delete all documents from collection
db.users.remove({})

Drop collection
db.users.drop()