createmutation inserts item to the head of the query results of the correspondinguseFindManyqueries.updatemutation updates the item in the query results ofuseFindXXXqueries and their nested reads by matching the item's ID.upsertmutation first tries to update the item in the query results ofuseFindXXXqueries and their nested reads by matching the item's ID. If the item is not found, it inserts the item to the head of the query results.deletemutation removes the item from the query results of the correspondinguseFindManyqueries and setsnulltouseFindUniqueanduseFindFirstquery results, by matching the item's ID.