Online album entity-relationship diagrams can be designed using graphic designing tools like EdrawMax or EdrawMax Online. These tools have some amazing features that let you draw ER diagrams. Online music albums have entities like Member, Photo, Comment, Tag, Album, and Location. These entities have attributes like Tag_ID, Tag_Title, Album_ID, Album_Title, Album_Description, Album_View, Photo_ID, Photo_Description, Photo_UploadData, and Photo_View, among others. The ERD is a graphical representation of an ER model and is currently one of the most popular and widely used database design tools. As graphically represented below, the three main components of the ER model are entities, attributes, and relationships.