Want Row Number on Group of column in MY SQL?

Question

I have one table in MYSQL It has data like

Id Name 
1  test
1  test
1  test123
2  test222
3  test333

I want the data like

Id Name     RowN         


        

Answer 1

select id, name, (select count(*) + 1 from table as i where i.id = p.id and i.id < p.id ) from table p;