Question

Draw the ER diagram for online covid 19 management system of an educational institute and design the RDBMS for the same​?

Answer 1

Answer:this is correct 100%

Explanation:

Identify all the entities in the system. An entity should appear only once in a particular diagram. ...

Identify relationships between entities. Connect them using a line and add a diamond in the middle describing the relationship.

Add attributes for entities.