What Do You Want from Room When You Create a DAO

question 19

Multiple Choice

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.
• 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.

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Definitions:

Subpersonalities

Different elements of an individual's personality that may become dominant in different contexts or during various emotional states.

Single Identity

A concept referring to an individual's identification with a single aspect of their identity, often excluding or prioritizing it over other aspects.

Classical Conditioning

A process of learning in which two events that repeatedly occur close together in time become tied together in a person’s mind and so produce the same response.

Self-hypnosis

A process where an individual induces a state of hypnosis in themselves, usually for purposes of self-improvement or therapy.