database - Join multiple column with single row using mySql -

i have query results in single row like: (table_1)          | col_1 | col_2 | col_3 | row->1  |     | b     | c     | 

another query results in 2 rows like: (table_2)

        | col_1 | col_2 | row->1  |     | x     | row->2  |     | y     | 

common value both table col_1(a). need like:

|   col_1   |   col_2   |   col_3   |   col_4   |   col_5   | |         |   b       |   c       |   x       |   y       | 

please provide simplest way achive this.

you can try it-

select a.col_1,a.col_2,a.col_3,  (select b.col_2 table2 b b.col_1=a.col_1 limit 1) col_4,  (select b.col_2 table2 b b.col_1=a.col_1 limit 1,1) col_5  table1;