Introduction to Databases Introduction to DatabasesWhen we talk about databases, we mean both data and schema (how data is structured). Databases are widely used in all aspects of our lives for customer records, accounting and other record keeping purposes.Databases are run by database management systems (DBMS), which help define new schema, insert/modify/delete data and retrieve data as well as deal with data security a.. 더보기 Google Flu Trends’ Failure Shows Good Data > Big Data http://blogs.hbr.org/kaiser-fung/http://junkcharts.typepad.com/numbersruleyourworld/2014/03/toward-a-more-useful-definition-of-big-data.htmlhttp://blogs.hbr.org/2014/03/google-flu-trends-failure-shows-good-data-big-data/In their best-selling 2013 book Big Data: A Revolution That Will Transform How We Live, Work and Think, authors Viktor Mayer-Schönberger and Kenneth Cukier selected Google Flu Tr.. 더보기 Introduction to Big Data Data Science, “data mining,” and “big data,” much like the word sabermetrics, are recent buzzwords that are becoming more widely used. This trend of increased usage of these words primarily reflects the information age we currently live in – the amount of data generated by people these days is staggering. Just a few tidbits concerning big data today:In August 2012, Facebook engineers reported th.. 더보기 이전 1 ··· 21 22 23 24 25 26 27 ··· 57 다음