Data that are too large or too complex to be handled by standard data-processing techniques and typical desktop software are called big data.
Big data, particularly from new data sources, is simply a term for larger, more complex data collections. These data sets are so large that they just cannot be handled by conventional data processing software.
However, these enormous amounts of data can be leveraged to solve business issues that were previously impossible to solve. Large data sets have their roots in the 1960s and 1970s, when the first data centres and the relational database were being developed, and although the idea of big data is still a relatively recent one.
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