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An n-array relationship is drawn using which symbol:(a) A diamond(b) A line with arrows showing direction(c) A line without arrows showing direction(d) A rectangleI had been asked this question in a national level competition.I need to ask this question from Attribute, Tuple and Entity topic in division Planning Oracle Applications of Oracle

Answer» <html><body><p>The correct option is (a) A diamond<br/><br/>Explanation: When a single <a href="https://interviewquestions.tuteehub.com/tag/parent-1146949" style="font-weight:bold;" target="_blank" title="Click to know more about PARENT">PARENT</a>-child <a href="https://interviewquestions.tuteehub.com/tag/relationship-1183331" style="font-weight:bold;" target="_blank" title="Click to know more about RELATIONSHIP">RELATIONSHIP</a> exists, the relationship is called binary. All of the previous examples of relationships to this point have been binary relationships. However, when creating a <a href="https://interviewquestions.tuteehub.com/tag/data-25577" style="font-weight:bold;" target="_blank" title="Click to know more about DATA">DATA</a> model, it is not uncommon to come across n-array relationships, the <a href="https://interviewquestions.tuteehub.com/tag/modeling-13558" style="font-weight:bold;" target="_blank" title="Click to know more about MODELING">MODELING</a> name for relationships between two or more parent entities and a single child table.</p></body></html>


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