Grain can be considered an excellent credit builder card option. Grain Cards reports payments are reported to the credit bureau. One will be able to build a good credit history as you make on-time payments to Grain and pay down your credit line. As shown in the below image, the ER diagram is a graphical representation of an ER model. It is currently one of the most popular and widely used database design tools. As stated above, the three main components of the entity-relationship model are entities, attributes, and relationships. It has entities like Card_Type, Family_Members, Grains, and Distributions. There are attributes like Grain_ID, ID, Card_holder, DIST_Date, Month_UNABLE, Name, Card_Name, and Criteria.