MongoDB

Installation

brew install mongodb

verify the installation

mongod -h
# some useful switches
--port arg # mongo's port number，default is 27017
--dbpath arg # mongo's database path，default is /etc/db

Use a custom dbpath

sudo mkdir -p /data/db
sudo chown -R cainengtian /data  # replace cainengtian to your logined user name

Start the mongodb

# Start with default configurations, dbpath is /etc/db，port number is 27017
mongod
# Start with custom dbpath and port
mongod --dbpath /etc/mongodb/db --port 28000

Some Basic commands

Enter mongodb’s shell mode in Terminal:

mongo

  • show databases(show dbs)

  • use

    Switch to the specified database.

  • db.dropDatabase()

    Drop current active database

  • showcollections

    Show table collections in current active database.

For more details on mongodb commands, enter help command in the shell mode.