Message in Chinese (Traditional) (中文（繁體）)
多重性和關聯性 '<var>Y</var>' 中的 Role '<var>X</var>' 中的參考限制式衝突。由於 Dependent Role 中的一個/所有屬性不可為 Null，Principal Role 的多重性必須是 '1'。
Unlocalized message
Multiplicity conflicts with the referential constraint in Role '<var>X</var>' in relationship '<var>Y</var>'. Because one/all of the properties in the Dependent Role is non-nullable, multiplicity of the Principal Role must be '1'.
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