Question

By year 2020 unstructured data will complement structured data

Answer 1

IDC estimates the volume of digital data will grow 40% to 50% per year. By 2020, IDC predicts the number will have reached 40,000 EB, or 40 Zettabytes (ZB). ... Unstructured data is usually not stored in a relational database (as traditionally defined) where the data model is relevant to the meaning of the data