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ROOM ANNOTATIONS - Coggle Diagram
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Instead, you must explicitly request the data that your app needs.
Intermediate dataclass
EXAMPLE
In the music streaming app example, suppose the user has the ability to organize their songs into playlists. Each user can create as many playlists as they want, but each playlist is created by exactly one user. Therefore, there is a one-to-many relationship between the User entity and the Playlist entity.
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For example, consider a music streaming app where the user has a library of songs that they own. Each user has only one library, and each library corresponds to exactly one user. Therefore, there is a one-to-one relationship between the User entity and the Library entity.
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If an entity has fields that you don't want to persist, you can annotate them using Ignore
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