AddAlbum adds the specific album to the database, returning the album ID of the new entry.

AlbumById queries for the album with the specific ID.

AlbumsByArtist queries for albums that have the specific artist name.

CreateOrder creates an order for an album and returns the new order ID.

QueryWithTimeout cancelling database operations after a timeout.

UpdateAlbum updates the specific album to the database, returning the affected rows of the update entry.