How to get parent table details from child table?

Table A has one to one relation with Table B. Table A stores the objects(relation) of Table B, we can easily get the details of Table B using the related object of Table B in Table A. Can we also get the Table A data from Table B using same relation?

Please see:

Thanks Slava! This is really very helpful. Just to know one thing, as per this link, Can we get the information based on child of Person.children., ? or these are just for references?

Yes, you can use that query.

This is a working example of such query:</img>
You will get the collection of objects, and then you can operate with the object and with its relations, which you’ve set in query.