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Question 19 - Associate Android Developer discussion

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

Example:

@Dao interface MyDao { @Update

fun updateUsers(vararg users: User) }

A.
Room generates an implementation that inserts all parameters into the database in a single transaction.
Answers
A.
Room generates an implementation that inserts all parameters into the database in a single transaction.
B.
Room modifies a set of entities, given as parameters, in the database. It uses a query that matches against the primary key of each entity.
Answers
B.
Room modifies a set of entities, given as parameters, in the database. It uses a query that matches against the primary key of each entity.
C.
Room removes a set of entities, given as parameters, from the database. It uses the primary keys to find the entities to delete.
Answers
C.
Room removes a set of entities, given as parameters, from the database. It uses the primary keys to find the entities to delete.
Suggested answer: B
asked 18/09/2024
Duc Hai
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