http://rockalabs.com
xergioalex
SQL (1979)
Optimize the storage cost
Rows Stores (RDBMS)
* Store data aligned by rows
* Reads retrieve a complete row every time
Why NoSQL
The world has Changed
Google and Amazon develop new systems to storage data.
* Distributed systems
* Open Source
* Non relational
* Key/Value Stores
* Column Stores
* Multi-model Databases (Combine relational + non relational DBs)
* Document Stores
* Graph Stores
$ echo "deb http://repo.mongodb.org/apt/ubuntu trusty/mongodb-org/3.2 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.2.list
Ubuntu
$ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv EA312927
$ sudo apt-get update
$ sudo apt-get install -y mongodb-org
Core Processes
* Mongod
* Mongos
* Mongo
Binary Import and Export Tools
* Bsondump
Data Import and Export Tools
Diagnostic Tools
GridFS
$ mongo
$ show databases
$ use rockalabs
$ db.users.insert({ nombre: "Sergio", apellido: "Florez")
$ db.users.findOne()
$ db.users.find()
$ db.users.find().pretty()
$ db.users.createIndex({ nombre: 1 })
$ show collections
$ db.users.dropIndex({ "username": 1 })
$ db.users.getIndexes()
$ mongostats
* COLLSCAN: for a collection scan
* IXSCAN: for scanning index keys
* FETCH: for retrieving documents
* SHARD_MERGE: for merging results from shards
$ db.users.find().explain()
$ db.users.find({ nombre: "Sergio" }).explain("executionStats")
Visually explore your data
Visually explore your data
Packages to use:
* mongodb
* faker
* mongoose
Resources
* Basic concepts about MongoDB (Talks)
http://rockalabs.com
xergioalex
By Sergio Alexander Florez Galeano
Building simple app using Meteor Js.
System engineer and passionate entrepreneur, with talent and experience building digital business. Speaker, researcher, athlete, gamer, and geek 100%.
