Fig. 8.1.13 A classical index.The unstructured internal organization of data contains all sorts of data. There are a wide
variety of data here. The unstructured internal organization of data includes e-mail,
documents, spreadsheets, analog data, log tape data, and many varieties of data.
Fig. 8.1.14 shows unstructured internally organized data.
Fig. 8.1.14 Unstructured data.Chapter 8.1: A Brief History of Data Architecture