You can view multiple geometries as an image to understand what the data in the database represents using the Spatial Viewer.
You must have SELECT privilege on the table you are selecting from, or the SELECT ANY TABLE system privilege.
The order of rows in a result matter to how the image appears in the Spatial Viewer because the image is drawn in the order in which the rows are processed, with the most recent appearing on the top. Shapes that occur later in a result set can obscure ones that occur earlier in the result set.
All of the geometries in the result set are displayed in the Results area as one image.