Error in mysql query

Question

hi

 

my database table  is like

sl no	month	data
t1	03	234
t1	04	678
t1	05	1234
t2	03	789
t2	04	0909
t2	05	456

 l

but i want like this query

sl.no	data1	dat2	dat3
t1	234	678	123
t2	789	0909	456

 

please help..