The Common Data Services Default solution is used if you create apps or customize the data model outside of a solution in the Maker portal, as shown in Figure 3.3:
Figure 3.3 – Customizing outside of a solution
The Common Data Services Default solution exists so that makers who are not aware of solutions can easily transfer their changes from one environment to another.
The best practice is to create your own custom solutions to manage the components you plan to customize.