Voting System (ER Diagram)

ER Diagram for Voting System

This ERD example shows the data model of a voting system. It models the following entities:

• Voting - represents a voting event with a restricted period of validity when the voters can vote. Voting is available only when the status is set to Open.
• Voting Option - an ordered text option associated with voting.
• Voting Status
• Voter - a person registered in the voting system, who can vote in defined votings.
• Voter Vote - a voter's vote (chosen option) in voting with a date when the vote was cast.
• Voter Group - a group of specific voters, which can be associated with votings. Voter groups can have different voting powers.
• Allowed Voter Group - a voter group that can vote in specific voting.

These options are pre-defined for the voting status:

• Draft
• Open
• Closed
• Cancelled

Voting System (ER Diagram)

Download Voting System ER Diagram