+cdroms_table = Table('cdroms', meta,
+ Column('cdrom_id', String, primary_key=True, nullable=False),
+ Column('description', String, nullable=False))
+
+machine_access_table = Table('machine_access', meta,
+ Column('machine_id', Integer, ForeignKey('machines.machine_id'), nullable=False, index=True),
+ Column('user', String, nullable=False, index=True),
+ PrimaryKeyConstraint('machine_id', 'user'))