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3 Top Books Every Analytics Engineer to Read

Many of the analytics jobs nowadays are for the financial domain. The top financial domains are Banking, Payments, and credit cards. 
The Best Books are on:
SASUNIXPython

The skills you need to work in data analytics are SAS, UNIX, Python, and JavaScript.  I have selected three books for beginners of data analysts. 

1. SAS best book 
I found one best book that is little SAS. This post covers almost all examples and critical macros you need for your job.

The best-selling Little SAS Book just got even better. Readers worldwide study this easy-to-follow book to help them learn the basics of SAS programming.

Now Rebecca Ottesen has teamed up with the original authors, Lora Delwiche, and Susan Slaughter, to provide a new way to challenge and improve your SAS skills through thought-provoking questions, exercises, and projects.
2. UNIX best book
The basic commands you will get everywhere. The way of executing Macros or shell scripts is really you need. This is a good book so that you can automate…

Ultimate Answer for difference between Storage Node and Compute Node

Storage Node Vs Compute Node

Compute Node

  • This is the computer or machine where your actual business logic will be executed.
  • The compue node mainly focussed on RAM and CPU


Storage Node

  • This is the computer or machine where your file system reside to store the processing data. In most of the cases compute node and storage node would be the same machine.
  • The storage node maily focussed on block storage.


What are the restrictions for Key and Value Class

  1. The key and value classes have to be serialized by the framework. To make them serializable Hadoop provides a Writable interface. 
  2. As you know from the java itself that the key of the Map should be comparable, hence the key has to implement one more interface WritableComparable.

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