AKA. the After Party.Contact party site at least 45 days in advance, reserve space - Friday nights can be challenging, sometimes needs cash guarantee
Try to reserve a section away from main areas (outside works good), be conscious of noise level, try for open seating not bench seating
These often run long, make sure wait staff gets a really good tip. Consider 35% tip.
Introduce people to each other, encourage networking
Try to have it located close to the published hotel and/or SQLSaturday event.
Now is your time to get face to face time with your attendees, encourage networking
You can bring your left over swag (shirts. pens..) and just give it to attendees.