42 entity relationship diagram normalization
8. First Normal Form To move to First Normal Form a relation must contain only atomic values at each row and column. No repeating groups A column ... The ER diagram s can be mapped to a relation schema, which means we can clearly display the relationship between its members. The database schema is a structure ... 11 Nov 2019 — An Entity Relationship (ER) Diagram is a type of flowchart, which shows how entities (people, objects) relate to each other within a system. Entity relationship diagram normalization