E R diagram for online shopping system

E-R diagram for online shopping websiteit

E-R diagram means Entity Relationship diagram. Entity means object of system, generally we refer entity as database table , the e-r diagram represent the relationship between each table of database. E-R diagram represent entity with attributes, attributes is a properties of entity. If we assume entity is a database table then all the columns of table are treat as attributes.

  • Entities are represented by rectangles.
  • Attributes are represented by ellipses.

Online Shopping system E-R Diagram

er diagram

E-R Diagram for online shopping system project

We also represent E-R  diagram for online shopping system like  :

er diagram

System flow chart for online shopping website

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