Entity Relationship Diagrams
An entity-relationship diagram (ERD) shows the relationships of entity sets stored in a database. An entity in this context is a component of data. In other words, ER diagrams illustrate the logical structure of databases.
2019.7
ERD for 2019.7 - Pious Praying Mantis
2021.1
ERD for 2021.1 - Urban Umber Skipper