Interview guides / android

Room Relations: Android Interview Question

Room Relations interview question with a clear example answer for Android engineers. Practice with AceMobileInterview.

This is a common Android interview topic: Room Relations.

Below is a concise answer you can adapt in a real interview, then go deeper in the full AceMobileInterview track.

1. 1.How do @Relation and embedding differ?

   Embedded flattens nested objects in one table mapping. Relation runs additional queries for 1:N/N:M. Watch N+1 query patterns; use @Transaction.