when would a database designer need to createin a artifical key? a)when no simple or composite primary key exist in a table b) When the primary key is identical to the supertype primary key. c) When there is no single columns key avialable d) When there is an ISA relationship in a table

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A: Method of specifying primary key in relational schema

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A: Here is the solution;

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A: The following statement is false B. A primary key can consist of more than one attribute

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Q: when would a database designer need to createin a artifical key? a)when no simple or composite…

A: Database design involves making crucial decisions about how data will be structured and how…

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A: Given questions are multiple choice question so we provide both  explanation below.

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