ER Diagram Symbols

ER Diagram Symbols

ER Diagram Symbols

 

Entity Relationship Diagram(ER Diagram) is used to  represent the requirement analysis at  the conceptual design stage .The database is designed from the ER Diagram or we can say that the ER digram  is converted to the database. 

Each entity in the ER diagram corresponds to a table in the database.

The attributes of an entity corresponds to fields of a tables.

The ER Diagram is converted to the database.

 

Entity Reletionship Diagram (ER Diagram) Symbols