7

suppose i have more than 2 table and i want to join the specific column to be join .for this what is query?

1 Answers1

11

example:

select a.column1, a.column2, b.whatever, c.hello
from table1 a
join table2 b on a.keyfield = b.keyfield
join table3 c on a.keyfield = c.keyfield

If you wanted all records from table1 even without a matching record in another table, then the join should be "left join" instead.

Fosco
  • 38,138
  • 7
  • 87
  • 101