Mercury is the only common metal which is liquid at ordinary temperatures. Mercury is sometimes called quicksilver. It is a heavy, silvery-white liquid metal. It is a rather poor conductor of heat if compared with other metals but it is a fair conductor of electricity. It alloys easily with many metals, such as gold, silver, and tin. These alloys are called amalgams.
describe big data, so that you can speak intelligently about it when asked. So probably the main thing to recognize is this notion of the three V's of big data, which are volume, velocity and variety.
Data, Information and Knowledge. Raw data describes the facts and figures that a company processes every day. In a retail environment, each sale will be recorded. However, a company will learn little looking at each sale in isolation. Data becomes information after it has been processed to add context, relevance and purpose. Analysis of daily sales will reveal trends and patterns, such as peak shopping days or biggest-selling items. Knowledge is a set of beliefs based on the relationship between pieces of information.