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Showing posts from March, 2017

The career in networking to reach top position

The below are the tips and advice from experts about career progress in Networking and its field. Networking is basically admin related job and the value of certification and best training really bring you to next level in Networking career.

How did you become a Cisco/networking expert and what advice do you have for those starting out?
I began as a junior network admin for a local school system here in Central Virginia roughly 20 years ago. No one in this business starts at the top. I didn’t even get to touch a Cisco router or switch in my first admin job. That was for the senior admins! The real key to success with Cisco technologies–or any technology for that matter–is to master the fundamentals of networking and then just work your way up from there. It’s not an easy path to success, but it is a simple one.


Are there any traits that seem to set people up for success as network admins?
The great network admins I’ve worked with have the ability to stay calm under pressure, both press…

Spark SQL Query how to write it in Ten steps

The post tells how to write SQL query in Spark and explained in ten steps.This example demonstrates how to use sqlContext.sql to create and load two tables and select rows from the tables into two DataFrames.

The next steps use the DataFrame API to filter the rows for salaries greater than 150,000 from one of the tables and shows the resulting DataFrame. Then the two DataFrames are joined to create a third DataFrame. Finally the new DataFrame is saved to a Hive table.

1. At the command line, copy the Hue sample_07 and sample_08 CSV files to HDFS:
$ hdfs dfs -put HUE_HOME/apps/beeswax/data/sample_07.csv /user/hdfs
$ hdfs dfs -put HUE_HOME/apps/beeswax/data/sample_08.csv /user/hdfs

where HUE_HOME defaultsto /opt/cloudera/parcels/CDH/lib/hue (parcel installation) or /usr/lib/hue
(package installation).

2. Start spark-shell:
$ spark-shell

3. Create Hive tables sample_07 and sample_08:

scala> sqlContext.sql("CREATE TABLE sample_07 (code string,description string,total_emp
 int,salary…

Hyperion best new alternative skill for Mainframe geeks

Oracle Hyperion Financial Reporting is the business intelligence and reporting package bundled within Oracle's Enterprise Performance Management software. It provides the ability to report from Oracle Essbase, Oracle Hyperion Planning, and Oracle Hyperion Financial Management (HFM) applications quickly and easily, and also offers a way to build reporting templates for individual execution, as well as FR Books and Batches with dynamic content, prompts, and calculations.

Oracle Hyperion Financial Reporting 11: A Practical Guide examines the power of the Financial Reporting software product covering basic operations through to advanced techniques. The book - filled with color screenshots - works through the development of a simple grid, the use of suppression, conditional formulas, functions and formulas, books and batches, and even integration with Smart View. Examples are provided that demonstrate Financial Reporting's capabilities alongside personal insights from the authors&#…

12 top Tableau exercises to learn quickly

We all know that Tableau is one of the best visulization tool. With Tableau Desktop you can connect to multiple data sources. Tableau Desktop is based on breakthrough technology from Stanford University that lets you drag & drop to analyze data.

You can connect to data in a few clicks, then visualize and create interactive dashboards with a few more.We’ve done years of research to build a system that supports people’s natural ability to think visually. Shift fluidly between views, following your natural train of thought. You’re not stuck in wizards or bogged down writing scripts. 
You just create beautiful, rich data visualizations. It's so easy to use that any Excel user can learn it. Get more results for less effort. And it’s 10 –100x faster than existing solutions

Try these : 

The 12 Excerices from TableauTableau Tutorial