Hi,
I want to get unique record in mysql with below conditions:
I have two tables in mysql which are table tbl_x and tbl_y for their structures are as bellow:

tbl_x:-
Id  Name
1    Test
2    Xyz
3   DmDm

tbl_y:-
Id Name
1   fdfdf
2   xyza
3   abcd
4   defg
5  pqrs

Now ,i want to get unique data in mysql which are 4 and 5  ?