When the data started moving towards its unstructured form to the structured one and people started moving towards many computers from single computer with heavy configuration (commodity hardware), the need arose for the technology to evolve. Now firstly we shall understand about which unstructured data are we talking about? So the answer to the question is Big data . Let's understand a little about Big data first. Big data refers to data sets that are too large or complex for traditional data-processing application software to adequately deal with. Data with many cases (rows) offer greater statistical power, while data with higher complexity (more attributes or columns) may lead to a higher false discovery rate. Big data challenges include capturing data, data storage, data analysis, search, sharing, transfer, visualization, querying, updating, information privacy and data source. Big data was originally associated with three key concepts: volume, variety, and velocity . Other con...
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