Google Exam Associate-Android-Developer Topic 4 Question 43 Discussion

Actual exam question for Google's Associate-Android-Developer exam

Question #: 43
Topic #: 4

[All Associate-Android-Developer Questions]

What do you want from Room when you create a DAO method and annotate it with @Update?

Example:

@Dao

public interface MyDao {

@Update

public void updateUsers(User... users);

}

ARoom generates an implementation that inserts all parameters into the database in a single transaction.

BRoom modifies a set of entities, given as parameters, in the database. It uses a query that matches against the primary key of each entity.

CRoom removes a set of entities, given as parameters, from the database. It uses the primary keys to find the entities to delete.

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Suggested Answer: C

by Stephaine at Apr 25, 2023, 09:36 PM

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