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It is a term from computer databases. A relational database can have a one-to-many relationship in its data. For example, if you have a customer order database, one table will contain customer names and another will contain their orders. Each customer will only be listed once, but each customer can make many orders. So one customer can be related to many orders. Incorporating that into a database requires the creation of a one to many relationship.

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There are three types of relationships in the database. The 3 types of relationships are one to one , one to many and many to many. In one to one , one entity can be related to one entity only .

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10y ago
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Q: What is a one-to-many relationship?
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