copies => { type => 'integer' },
end_date => { type => 'date' },
extend_automatically_by => { type => 'integer' },
+ first_billing_date => { type => 'date' },
id => { type => 'integer', not_null => 1, sequence => 'id' },
oe_id => { type => 'integer', not_null => 1 },
periodicity => { type => 'varchar', length => 10, not_null => 1 },