i have two entities. I want the data between them one to many and many to one. But not many to many.How can i implement this using ER diagram and then into relational tables.
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Jump to PostHi,
well, two one-to-many relationships of two entities where each entity is related to the other one usually makes up a many-to-many relationship between them.
There is also a possibility that both one-to-many relationships are treated separately. In such case the primary key of one entity becomes foreign …
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