Schema Design Basics with MongoDB

If you've ever written a web application that interacts with a database then you've obviously worked with a database schema. Most if not all of us have had the pleasure of designing relational schemas. In fact most of us could do it in our sleep. The same cannot be said for all us, yours truly included, when it comes to design a document schema for a document database like MongoDB.

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Cassandra Data Model

If you are brand new to Cassandra the data model can be a little confusing. Fortunately, we have folks like Eben Hewitt and conferences like Cassandra Summit where topics like the Cassandra data model can be discussed. In his presentation at Cassandra Summit, Eben Hewitt, discusses the Cassandra data model in-depth, as well as, design patterns for your data model.

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Links of the Day - 2010/07/15

Links of the Day for July 15, 2010

• CouchDB NoSQL Database Ready for Production Use - NY Times Article
• Apache Unveils a Polished CouchDB 1.0 - DZone Coverage of the event
• NoSQL Database CouchDB Turns 1.0 - The love fest continues for the folks at CouchIO, this time from ReadWriteWeb
• Cassandra data model cheat sheet - Cheat sheet for the Cassandra Data Model

Installing and using Cassandra in just five steps

Ronald Mathies of Sodeso.nl has written an extremely nice tutorial about how to both install and use Cassandra. This series of blog postings walks the users through installation of Cassandra on both Linux and Windows, describes Cassandra's data model (which takes a bit to get your head around) and discusses details about the Thrift client.

Here are the links for the five part series:

Installing and using Apache Cassandra With Java Part 1 (Installation)
Installing and using Apache Cassandra With Java Part 2 (Data model)
Installing and using Apache Cassandra With Java Part 3 (Data model 2)
Installing and using Apache Cassandra With Java Part 4 (Thrift Client)
Installing and using Apache Cassandra With Java Part 5 (Thrift Client 2)

Looking to the future with Cassandra

In the previous post, we spoke about Digg's decision to abandon MySQL in favor of using Apache's Cassandra. Well these types of decisions are not just made on a whim, or at least you hope they are not. The following post, by the Digg Engineering Team, discusses why they looked into non-traditional data store technologies and what problems it is helping them to solve.

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Introduction to the Cassandra Data Model

One of the most interesting things I find with NoSQL databases is each database’s data model and Apache’s Cassandra is no exception. The following post by Arin Sarkissian is one of the best introductions to Cassandra’s data model that I've seen so far.

Read more: WTF is a SuperColumn? An Intro to the Cassandra Data Model