i have 2 tables customers , customer_orders. i'm trying select customer's order using customer_id customer table.
select * customer_orders customer_id = select id customers customer_name = 'john doe'
this code not work. how do this?
you need join 2 tables , query need. this:
select co.* customer_orders co inner join customers c on co.customer_id = c.id c.customer_name = 'john doe';