One-to-one relationships

- [Instructor] We'll start now … building relationships for our Laravel Eloquent models. … Relationships in Laravel give us the ability … to then access and be able to talk to … and ask questions about that related model very easily. … One to one relationships are where one Laravel model … relates to only one other related record. … In our database we have a few examples of this. … But the one we've worked with most frequently … is how rooms relate to exactly one room type. … Let's see how to build up that relationship in Laravel … by opening up our room model at app, Room.php. … In our room model, the room has a field, … the room_type_Id field. … This room_type_Id field corresponds … to the matching type record. … To define this, we'll define a method … that will return this matching relationship. … Typically, this function is the name of the model. … And in the case where our relationship … only returns one record, we set it to be a singular … definition of that model name. … So in our case, write on line 21, …