CHAPTER
8
Big Data
Big Data. You have heard this term a lot over the past few years, but what does it actually mean? No, it does not refer to very large VARCHARs, and it is not about CLOBs and BLOBs. A good starting definition of Big Data is as follows: it is potentially a large volume of data that is structured, semi-structured, or unstructured. The definition has been very fluid and has slightly changed over time. Some have said it heralds the end of the RDBMS systems that are so prevalent. But like most trends, the reality is different from the hype. What we have seen is more of a blending of the two technologies being used together rather ...
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