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Why Is It Required To Maintain A Parent-child Relationship Among The Various Attributes? What Are The Various Types Of Relationships Depending On The Number Of Participants? |
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Answer» The parent-CHILD relationship helps in establishing the HIERARCHICAL structure to the entire logic and business model. For example, you can have the quarter to be a child of a SPECIFIC year attribute. This will help us in having a modularized approach in the design and will help in establishing COMMON usage SEMANTICS. The various types of relationships can be one to one, many to one, many to many, one to many relationships. The parent-child relationship helps in establishing the hierarchical structure to the entire logic and business model. For example, you can have the quarter to be a child of a specific year attribute. This will help us in having a modularized approach in the design and will help in establishing common usage semantics. The various types of relationships can be one to one, many to one, many to many, one to many relationships. |
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