Union notation in database ER design

Anshal 2,206 Reputation points
2022-11-28T10:48:04.387+00:00

Hi friends I am in to ER design and my requirement to show in

ER design that the table in the last is union of all what is the symbol to show union

Azure SQL Database
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  1. Alberto Morillo 33,421 Reputation points MVP
    2022-11-28T13:08:39.81+00:00

    Try using hierarchies or categories as explained here.

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