What is tableau software?

Tableau is business intelligence and data analytics software that allows the users to transform the  data into interactive,dynamic visualizations called dashboards.

Tableau software also called as data visualization tool or  reporting tool. Tableau is product of a american company called "Tableau software " headquartered in Seattle, Washington.

Tableau History :
Stanford University Ph.D. student  Chris Stolte and his Ph.D. advisor, Professor Pat Hanrahan together invented a technology called VizQL and later Stanford Business School student Christian Chabot joined with them.
Together, Christian Chabot, Chris Stolte and Pat Hanrahan formed a company Called "tableau softare"

who can learn tableau :
anyone without any programming knowledge can learn tableau.There is no prerequisite to learn tableau but it is good to have knowledge on SQL and excel.

Read More

What is Data Visualization?

Data visualization is the presentation of data/information  in a pictorial or graphical format.
eg. charts and graphs in excel,stock market technical chart analysis,Google analytics etc..

Data visualization helps  decision makers to find new patterns,trends and correlations easily,which may not detected in text based data.

Data visualisation software displays data in more sophisticated ways such as bar charts,pie, infographics,geographic maps,heat maps,dials and gauges,fever charts and sparklines,etc..

Data visualization can be static or interactive. For centuries, people have been using static data
visualization like charts and maps. Interactive data visualization lets people drill down into the
in details of these charts and graphs, and can interactively change which data they see and how it's processed.

Here we have Top 10 countries by online population, February 2014 Data in text format

                         country                              online population 
                         France                                      42.4 million
                          China                                     354.6 million
                     United States                              194.7 million
                           Italy                                        30.5 million
                           India                                        80.1 million
                          Japan                                          73 million
                 Russian Federation                           66.8 million
                     Germany                                       52.6 million
                  United Kingdom                              39.4 million
                        Brazil                                         68.1 million;

what is the most online populated country?
what is the least online populated country?
what is the 3rd most online populated country?
it might take some time answer these question but if we have this data in a visualization like blow we can answers for above questions in fraction of seconds

There are many data visualization tools  like tableau,qlikview,spotfire,chart.js,birst,etc., are available in market.

Read More

what is data integration?

Data integration is the process of combining data from many different sources(or several disparate sources) into an application,which contain meaningful and valuable information.

Here DI(Data integration) collects data from multiple sources, transforms and integrates this disparate data into a common data model, and loads the integrated data into a target database, application, or file.

Data Integration Areas :
The term "Data integration" is used in the following areas
  •Data warehousing
  •Data migration
  •Master data management
  •Enterprise application/information integration

Data integration Tools :
Data integration is generally implemented by using data integration tools like informatica, talend,abinitio,ODI,IBM infosphere, etc,,
Note: These tools also called as "ETL tools".

Read More