Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier?-A-Weak entityB-Strong entityC-ID dependent entityD-ID independent entity-A-Weak entity

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APTITUDE CRACK · Accepted Answer

The correct option is  A Weak entity A weak entity can have a partial key but it doesn&#39;t uniquely identify it, so it needs the primary key of its strong entity too.

Data Modeling with ER Model

Q1: Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier?

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Data Modeling with ER Model

Q1: Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier?

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