Ordering wine in a restaurant is not much different than buying it in a wine store. The main difference is that you have an audience. Yet ordering wine in a restaurant can be intimidating especially if wine list is extensive.
Experiment or Homework Keep in mind that even experts will not be familiar with every selection on a wine list. If you are a novice and your are going on an important date, you should do a little homework to get some idea of what you might want to order. Unless you are feeling extremely adventurous, a restaurant is usually not place to try something new since mark up can range from 100 to 200%.
The Wine List Today, most restaurants have a wine list, but expect a myriad of shapes and sizes. Some establishments might simply offer just a house red or white, while others have a daily blackboard to outline their rotating selection. Most wine lists are presented as a printed menu, with wines arranged by color; red, white, and rose and region of country. Additionally, many establishments will number their wines on list, which helps big-time if you do not know how to pronounce wine. You can simply say, "I will have number 8".
Before you order, you are going to want to factor in what you are going to be eating. Unfortunately, not a lot of menus give advice on food pairing. If you need some help talk to wine steward, or sommelier. They are there to help you make best decision for your occasion, and a good one will not try to take you out of your price range.