This image shows two containers. The first container is labelled Database1 and contains two more containers:
The first container is labelled Table1 and contains a container labelled Column1 and a component labelled Column2.
Column1 contains 3 components labelled Row1, Row2, and Row3.
The second container is labelled Table 2 and contains 2 components labelled Column3 and Column4.
The second container is labelled Database2 and contains 2 components labelled Table3 and Table4.