NoSQL MongoDB

Agenda:

Not only SQL

Document
1. MongoDB
2. CouchDB
Key-Value Pair
1. Redis
2. Cassandra
Graph
1. Neo4j
2. HyperGraphDB Popular NoSQL Database: http://nosql-database.org/.

To start MongoDB shell/client: mongo.
To list database names: show dbs.
To select a database: use dbName.
To list all the collection names: show tables or show collections.
To insert a document: db.collectionName.insert({name:'Amit', age:27}).
To update a document: db.collectionName.update({name:'Amit'}, {name:'Amit Thakkar'}).
To upsert a document: db.collectionName.save({name:'Amit'}). // Update will happen if _id matched.
To remove a document: db.collectionName.remove({name:'Amit'}).
To read a document: db.collectionName.find({name:'Amit'}).