Showing posts with label etl. Show all posts
Showing posts with label etl. Show all posts

Wednesday, August 28, 2013

50 Open Source Replacements for Proprietary Business Intelligence Software.

In a recent Gartner survey, CIOs picked business intelligence and analytics as their top technology priority for 2012. The market research firm predicts that enterprises will spend more than $12 billion on business intelligence (BI), analytics and performance management software this year alone.

As the market for business intelligence solutions continues to grow, the open source community is responding with a growing number of applications designed to help companies store and analyze key business data. In fact, many of the best tools in the field are available under an open source license. And enterprises that need commercial support or other services will find many options available.

This month, we've put together a list of 50 of the top open source business intelligence tools that can replace proprietary solutions. It includes complete business intelligence platforms, data warehouses and databases, data mining and reporting tools, ERP suites with built-in BI capabilities and even spreadsheets. If we've overlooked any tools that you feel should be on the list, please feel free to note them in the comments section below.

Saturday, May 4, 2013

24 Interview Questions & Answers for Hadoop MapReduce developers

A good understanding of Hadoop Architecture is required to understand and leverage the power of Hadoop. Here are few important practical questions which can be asked to a Senior Experienced Hadoop Developer in an interview. This list primarily includes questions related to Hadoop Architecture, MapReduce, Hadoop API and Hadoop Distributed File System (HDFS).

Tuesday, April 30, 2013

SAP Business Objects Data Services (BODS) Interview Questions with Answers

Learn the Answers of some critical questions commonly asked during SAP BO Data Services interview.
1. What is the use of BusinessObjects Data Services?
Answer:
BusinessObjects Data Services provides a graphical interface that allows you to easily create jobs that extract data from heterogeneous sources, transform that data to meet the business requirements of your organization, and load the data into a single location.

Monday, April 29, 2013

Large-Scale Processing in Netezza.


Transitioning from ETL to ELT

CIO: Why is that uber-powered [commodity RDBMS] system running out of steam? Didn’t we just upgrade?
MANAGER: Yes, but the upgrade didn’t take.
CIO: Didn’t take? Sounds like a doctor transplanting an organ. Do you mean the CPUs rejected it? (laughing)
MANAGER: (soberly) No, just the users. Still too slow.
CIO: That hardware plant cost us [X] million dollars and it had better get it done or I’ll dismantle it for parts. I might dismantle your prima-donna architects with it!