Saturday, June 22, 2013

Hortonworks Certified Apache Hadoop Developer (HCAHD)

What a feeling i cleared Hortonworks Certified Apache Hadoop Developer (HCAHD).
Preparation Tips:
Buy the Definitive Guide
Read it!
Make sure you have sufficient hands on and take the practice exam on the website.
There were some very good questions asked make sure you have your fundas clear.
With luck i am sure you will ace it! 


  1. Hi i am giving in two days... i am very much worried about how tough the questions could, i am not so clear with hbase...

    can you share any of the websites i can take sample tests... i have already taken practice tests from hortonworks, any other you can provide me.. pls share the websites i can get good info...

    Please reply to my emailid:, if you can share any websites info that i can go thru!

    Thanks in advance...

    Raja Mahesh

  2. Hi, I am preparing for Hortonworks Data Analyst certification. I am not able to locate the practice exam link. Please mail the same on

    once i have an idea about the kind of questions can come. I will appear for final.


  3. @Archana Hortonworks only offers Certification on
    Hortonworks Certified Apache Hadoop 1.x Developer
    Hortonworks Certified Apache Hadoop 2.x Developer
    Hortonworks Certified Apache Hadoop 1.x Administrator

  4. Higher Level Abstractions for MapReduce - 2 - Hive - Introduction - Hive QL - Hive User Defined Functions - Hive Use Cases - NOSQL Databases - NoSQL Concepts - Review of RDBMS - - Need for NOSQL - Brewers CAP Theorem - ACID vs BASE - Different Types of NoSQL Databases - Key Value - Columnar - Document - Graph - Columnar Databases - Hadoop Ecosystem - HBASE vs Cassandra - HBASE Architecture - HBASE Data Modeling - HBASE Commands - HBASE Coprocessors - Endpoints - HBASE Coprocessors - Observers - SQOOP - Flume & OOZIE.. -
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