Which database does Facebook & Google use ?

Facebook has moved to a NoSQL database named HBase. Google uses their own system called BigTable. What is NoSQL ? NoSQL is a term used to designate databases which differ from classic relational databases. NoSQL database management systems are useful when working with a huge quantity of data when the data's nature does not require a relational model. The data can be structured, but NoSQL is used when what really matters is the ability to store and retrieve great quantities of data, not the relationships between the elements.

The Top ten women in technology you need to know about!

If you think that only men are dominating the technical field then this post is going to get you a break through this myth.
The US-based Time magazine recently revealed 'The Ten Most Influential Women in Technology'. Lets have a look at the list of powerful women that rule the predominantly male dominated tech world.

  Marissa Mayer 

At the age of 37, Marissa Mayer, CEO of Yahoo!, became the youngest CEO of a Fortune 500 company. Mayer was also named to Fortune magazine's annual list of America's 50 Most Powerful Women in Business in 2008, 2009, 2010 and 2011.She earlier worked with Google and was responsible Google's famous, unadorned search homepage.

                                                   Sheryl Sandberg

Sheryl Sandberg is the Chief Operating Officer at Facebook and is the first woman on the company’s board of directors at Facebook. Sheryl earlier served as the Vice President of Global Online Sales and Operations at Google.She was named in Time 100, an annual list of the 100 most influential people in the world assembled by Time.

Meg Whitman

Meg Whitman joined eBay on March 1998, when it had 30 employees and revenues of approximately $4 million. During her time as CEO, the company grew to approximately 15,000 employees and $8 billion in annual revenue by 2008.She now serves as the CEO of tech giant Hewlett-Packard, is one of the most experienced and respected corporate executives in the world.



                                    Mary Meeker 

Mary Meeker is a former Wall Street securities analyst primarily associated with the Internet. Meeker became known as "Queen of the Net" after being dubbed so by Barron's Magazine in 1998.Meeker and Chris DePuy at Morgan Stanley, published "The Internet Report," a landmark Morgan Stanley industry report which became known as "the bible" for investors in the dot com boom and went into popular circulation - as a book, and on the web.

                                                        

Safra A. Catz

Safra A. Catz has served as president of database giant Oracle Corporation since January 2004. In 2009 she was ranked by Fortune as the 12th most powerful woman in business.

                                  Susan Wojcicki

Susan Wojcicki, has been called "the most important Googler you've never heard of". She serves as Senior Vice President of Advertising at Google and oversaw the company's acquisitions of YouTube and DoubleClick, acquired for $1.65 and $3.1 billion, respectively. She is also is the brain behind crowd-pleaser Google Doodles.

                                               Theresia Gouw Ranzetta

Theresia Gouw Ranzetta, a partner at Silicon Valley heavyweight Accel Partners, is a rising venture capital superstar who has cemented a reputation as one of technology’s top financiers.

                                     Virginia Rometty

Virginia Rometty is the first woman to head IBM. Prior to becoming president and CEO in January 2012 she held the position of Senior Vice President and Group Executive for Sales, Marketing, and Strategy at IBM.

                                               

 Kara Swisher

Kara Swisher is an American technology columnist for the Wall Street Journal and co-executive editor of All Things Digital, a leading tech news site and conference organizer.

                                   Esther Dyson

Esther Dyson is a former journalist and Wall Street technology analyst who is a leading angel investor, entrepreneur, philanthropist, and commentator focused on breakthrough innovation in healthcare, government transparency, digital technology, biotechnology, and space.

















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