Creating Unique Key/index: MongoDB

http://technotip.com/4211/creating-unique-key-index-mongodb/

We have learnt how to create a key/index so far - today lets learn how to create unique key/index in MongoDB.

MongoDB Video Tutorial List: http://technotip.com/3778/mongodb-tutorial-list/ ... https://www.youtube.com/watch?v=QEy1IctH99w