Cassandra Terminology : Cheat Sheet


*This document will be updated continuously until it is as complete as can be, please let me know what I can add to make it more useful for everyone, especially new Cassandra  users*

Columns

At the bottom end of the hierarchy there is a column, a column has three parts to it; A name, value and a timestamp. The name and value is stored as a raw byte array (byte[]) and can be of any size.

Super Columns

A super column is similar in terms of having a name,value pair however, it does not have a timestamp.

The major difference between a column and a super column is that :

A column maps to the binary representation of a string value and a super column maps to a number of columns. Read more of this post

Cassandra Cheat Sheets


I’ll be getting some free time over the next few weeks and I intend to put together a series of Cassandra Cheat Sheets. I’ve been wanting to for a while but haven’t gotten round to it, so the following list are the individual sheets which target specific things relating to Cassandra.

  1. Cassandra Terminology
  2. Cassandra Query Language
  3. Cassandra Thrift API
  4. Cassandra Internals

I’ll add more as I get time in pdf,html and doc format… The first cheat sheet is already being written.

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