MongoDB Cheetsheet

Commands

• mongod - start server
• mongo - repl for mongo
• help - help to get help
• show dbs - show database
• use - use database
• insert - insert into table
• find - find by search criteria
• update - update entry
• remove - remove entry

start database

In terminal type below:

mongod

database console

New terminal make sure you have two terminals

mongo

show databases

show dbs

select database

use databasename

show what database your in

db

To see tables

show collections

Example:

// shows databases
show dbs
// select database
use databasename
// insert
db.database.insert({name: 'Richard'})
// find by object
db.databasename.find({name: 'Richard'})
// update with not perserving other properties
db.databasename.update({name: 'Richard'}, {name: 'Peter'})
// updating with preserving properties and adding new property
db.databasename.update({name: 'Peter'}, {$set: {name: 'Tater', newProperty: true}})
// delete by search criteria
db.databasename.remove({name: 'Richard'})
// limit for how many to remove
db.databasename.remove({type: 'category'}).limit(1)