Feature types correspond to the database table with the same name.
Attributes correspond to columns of the same name.
Coordsys Traits
If there are multiple spatial columns, they will be read as a Multiple Geometry with named parts, with a Coordsys trait set on each part. The Coordsys traits on the named parts of the first feature will be used to choose SRIDs when a writer is creating a table with multiple spatial columns.
Feature Representation