completed, a new `Table` and `mapper()` have been generated, accessible via the `__table__` and `__mapper__` attributes on the
`SomeClass` class.
+You may omit the names from the Column definitions. Declarative will fill
+them in for you:
+
+ {python}
+ class SomeClass(Base):
+ __tablename__ = 'some_table'
+ id = Column(Integer, primary_key=True)
+ name = Column(String(50))
+
Attributes may be added to the class after its construction, and they will be added to the underlying `Table` and `mapper()` definitions as
appropriate: