得益于IT信息技术的快速进步,人类可以随时随地记录下产生的各类数据,而同时数据存储的成本也正以前所未有的速度下降,一个大数据的时代在悄然来临。根据IDC预测,全球在2010年正式进入ZB时代,全球数据量大约每两年翻一番,意味着人类在最近两年产生的数据量相当于之前产生的全部数据量。爆炸式增长的数据,正推动人类进入大数据的时代。大数据是飞速增长的,用现有数据库管理工具难以管理所有的数据集合。这些数据包括:社交 Thanks to rapid advances in information technology, humans can record all kinds of data generated anytime, anywhere, while the cost of data storage is also declining at an unprecedented rate, a big data era is quietly coming. According to IDC forecasts, the world officially entered the ZB era in 2010, with global data doubling about every two years, meaning that the amount of data that humans have generated in the last two years corresponds to the total amount of data that was generated before. Explosive growth data are pushing people into the era of big data. Big data is rapidly growing, making it difficult to manage all your data sets with existing database management tools. These data include: Social