Читать книгу Data Science For Dummies - Lillian Pierson - Страница 27

The lower limit of big data volume starts as low as 1 terabyte, and it has no upper limit. If your organization owns at least 1 terabyte of data, that data technically qualifies as big data.

In its raw form, most big data is low value — in other words, the value-to-data-quantity ratio is low in raw big data. Big data is composed of huge numbers of very small transactions that come in a variety of formats. These incremental components of big data produce true value only after they’re aggregated and analyzed. Roughly speaking, data engineers have the job of aggregating it, and data scientists have the job of analyzing it.