New posts in Orders

Confusion with order id, order increment id and I am not getting order id as 20001201

How can I know if the customer that made the order is guest or registered customer?

Add Column to Admin > Sales > Orders Grid

Get Order Details by Order Id

Orders do not show up in customers account until processing state

How to check if billing and shipping address are equal?

Programatically created order not adding bundle products correctly

Programmatically Creating Shipments

E-mail address missing in order

What are the definitions of the order statuses? OR: Where should I integrate my order state?