Читать книгу Data Lakes For Dummies - Alan R. Simon - Страница 47

The primary difference between isolating an existing data mart (refer to Figure 2-4) and incorporating that data mart into the data lake (see Figure 2-5) is that you eliminate the duplicate data feeds between the two.

FIGURE 2-5: Incorporating a data mart into your data lake.

Suppose your data feeds for your strategic planning data mart are exceptionally well architected. Why not move them over to bring data into the data lake? Chances are, other analytical needs for accounting, finance, HR, marketing, and other organizations and functions within your enterprise can also leverage that data. At the same time, all the great work that your organization did to consolidate and organize data for your annual strategic planning can become part of your overall data lake.