This SQL ER Diagram for International Language School is a high-level conceptual data model diagram for Entity Relationship Model. The ER model aids in systematically analyzing data requirements to create a well-designed database. The ER Model represents real-world entities and their interactions. Before implementing your database, it is recommended that you create an ER Model in DBMS. ER Modeling assists you in conducting a systematic analysis of data requirements to develop a well-designed database. As a result, completing ER modeling before implementing your database is considered best practice.