How to get the whole database in face recognition?

In face recognition system, How to get the whole database of a single image which is selected as test image. for example if my training database may contain 50 images (totally 5 members' images, each person having 10 training images), in that if i am choose 1 image as test image, i want to get entire 10 image of that person. Sorry for bad english. Kindly anyone help me with this??? Thanks