Unlike one-to-one or one-to-many relationships, which can be directly implemented in physical database schemas, many-to-many relationships must remain in the abstract, the conceptual, the supernatural ...

Regardless of a final model design, many-to-many relationships open the door to varying options, and the designer should understand why one option arises over another. This choice usually means the ...

or a many-to-many relationship. Establishing each object's cardinality within a database is essential. The rules of cardinality must be flexible and allow for change. A company's database of its ...

Dapper provides support for multi-mapping, which allows you to map a single record from one database table to multiple records from another table. With multi-mapping, you can retrieve data from ...

Rails makes it very easy to set up many-to-many relationships between entities in your application ... To start at the lowest level, let's look at the database setup. Here are the Rails migrations for ...