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Relationship in SQL Developer Data Modeller

Rajneesh S-Oracle
Rajneesh S-Oracle Posts: 408 Employee

Hello Experts,

What is difference between doted line and bold line at data modeller, while showing many to 1 cardinality:

pastedImage_1.png

Thanks,

Rajneesh

Rajneesh S-Oracle

Best Answer

  • Dave Schleis
    Dave Schleis Member Posts: 215 Silver Badge
    edited May 25, 2020 10:06AM Accepted Answer

    Hello Rajneesh,

    Let me first recommend the definitive book on the topic: Oracle SQL Developer Data Modeler for Database Design Mastery by Heli Helskyaho

    The dashed lines represent an optional relationship, while the solid line represents a mandatory relationship.

    Hope this helps

    --dave

    Rajneesh S-OracleRajneesh S-Oracle

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