Join on and where clause : sys.col « System Tables Views « Oracle PL / SQL

1. Oracle PL / SQL
2. System Tables Views
3. sys.col

Join on and where clause

 

SQL> CREATE TABLE emp
  2  (
  3     cid                NUMBER,
  4     address    VARCHAR2(40)  ,
  5     postal_code       VARCHAR2(10)  ,
  6     city              VARCHAR2(30) ,
  7     customer_state    VARCHAR2(40)
  8  );

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> select c.cid, c.customer_state, s.sold
  2  from sales s join emp c
  3  on s.cid = c.cid
  4  where product_id = 117;

no rows selected

SQL>
SQL>
SQL> drop table sales;

Table dropped.

SQL> drop table emp;

Table dropped.

   
  

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