Weak Entity,”Dependent on a strong entity (identifying owner), meaning it cannot exist on its ownDoes not have a unique identifier (only a partial identifier
underlined with a dashed line)Entity rectangle has a double line border”
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Weak Entity,”Dependent on a strong entity (identifying owner), meaning it cannot exist on its ownDoes not have a unique identifier (only a partial identifier
underlined with a dashed line)Entity rectangle has a double line border”