Techie Notes


Tagged: design

I am learning MongoDB trying to understand which tool I should pick for making Global Names about 10 times faster than now. I am going to try Elastic Search, MongoDB, and Hadoop and pick one of them.

This file is going to be my cheatsheet for Mongodb information.


helper JS
use dd db.getSisterDB(“dd”)
show dbs db.getMongo.getDBs()
show collections db.getMongo.getCollectionNames()

Shell mongo

action method
drop db db.dropDatabase()
watch long event db.currentOp()


action method