SQL> CREATE TABLE emp(
2 cid NUMBER,
3 postal_code VARCHAR2(10),
4 city VARCHAR2(30),
5 customer_state VARCHAR2(40),
6 country_id CHAR(2),
7 customer_credit NUMBER,
8 email VARCHAR2(30)
9 );
Table created.
SQL>
SQL> CREATE TABLE sales(
2 product_id NUMBER(6),
3 cid NUMBER,
4 time_id DATE,
5 channel_id CHAR(1),
6 promo_id NUMBER(6),
7 sold NUMBER(3),
8 amount NUMBER(10,2),
9 cost NUMBER(10,2)
10 );
Table created.
SQL>
SQL>
SQL> select cid, c.customer_state,s.sold
2 from sales s join emp c
3 using (cid)
4 where product_id = 117;
no rows selected
SQL>
SQL> drop table sales;
Table dropped.
SQL> drop table emp;
Table dropped.