In a project where i am working on, we needed to show an image and the image should be change when a user would like to do that. For that we need to hava an attribute in a table called photo and it has to be a blob. See below: We have now a photo attribute as a blob, the next thing we need to do, is to make an entity with a photo attribute. The entity is called Person and has a byte[] variable called photo. See below for an example: (more…)